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Answer:
1234567890-
Explanation:
What is created by a large pressure difference in air fronts?
A. Density
B. Dewpoint
C. Wind
D. Isobars
Answer:
A. density.
Explanation:
At a front, the two air masses have different densities,
based on temperature, and do not easily mix. One air mass is lifted above the
other, creating a low pressure zone. If the lifted air is moist, there will be
condensation and precipitation. Winds are common at a front.
List 3 words to describe
speciation that occurs through
gradualism
Answer:
Separation, Adaptation, Reproductive Isolation
Explanation:
6
6.
Which behavior can help animals establish a
territory?
A. A caribou herd migrates seasonally.
B.
A scent trail leads ants to a food source.
C.
A wolf pack howls to warn other wolves to
stay away.
D.
A honeybee society divides the work between
its members.
(Q001) Use the fossil descriptions here and the material on p. 388 of your lab manual to answer the questions for this exercise. Note: When completing this exercise, it may be useful to refer back to Labs 10-12 for information about living primates. Mystery fossil genus A has been dated to the late Pliocene and early Pleistocene. Its canines were sexually dimorphic, and it had bilophodont molars. Its postcranial traits indicate that it was a terrestrial quadruped, and its overall body size was over 55 lb (25 kg). Mystery fossil genus B has been dated to the early Miocene. It is estimated that adults weighed around 2 lb (1 kg), with some sexual dimorphism possible in body weight and canine size. Which of these mystery fossils is a fossil Old World monkey
Answer:
Mistery fossil genus A belongs to the monkeys of the old world.
Explanation:
Old-World Monkeys:
Most of them are big and robustSome of them have hairless bulky structures in the posterior region of their bodies named ischiatic callosities. Their noses are pointing down and their holes are close to each other. They have semi-thumb or no thumb at all. They have plane nails.They have big brains and skulls. They spend most of their time on the ground, resting on rocks or similar places too height. However, they can also be found in trees.New-World Monkeys:
They are small-sized animalsTheir brain and skulls are small.Their nose holes are separated from each other and pointing at each side. Their thumb is developed because they have arboreal habits, so they need the thumbs to hold to the branches and move. They spend most of their time on trees. They hardly move on the floor. They also have sharp nails. They have long tails and no ischiatic callositiesMystery fossil genus A
has been dated to the late Pliocene and early Pleistocene.
Its canines were sexually dimorphic, and it had bilophodont molars.
Its postcranial traits indicate that it was a terrestrial quadruped,
and its overall body size was over 55 lb (25 kg).
Mystery fossil genus B
has been dated to the early Miocene.
It is estimated that adults weighed around 2 lb (1 kg),
with some sexual dimorphism possible in body weight and canine size.
Mistery fossil genus A belongs to the monkeys of the old world.
Question 6 (1 point) Which part of the renal tubule has a membrane that only filters out the very largest of molecules?
loop of Henle
distal convoluted tube
proximal convoluted tube
renal capsule
Proximal convoluted tube I thinkkkkkkk
The part of the renal tubule has a membrane that only filters out the very largest of molecules is Proximal Convoluted tube. Thus, option C is correct.
What is the function of Proximal Convoluted tube?Proximal Convoluted tube has been responsible for the reabsorption of nutrients as well as the substances that the body needs. Loop of Henle is known as the part which is a thin-lobed structure that controls the concentration of the urine.
Distal convoluted tubule performs a very important as it regulates sodium, potassium and pH. Collection duct function it regulates water and sodium reabsorption.
Nitrogenous wastes has been excreted in the urine encompass urea, creatinine, ammonia, and uric acid.Nephrons start withinside the cortex; the tubules dip right all the way down to the medulla, then go back to the cortex earlier than draining into the accumulating duct.
Thus, option C is correct.
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Can anybody help me with this please.
A identificação é imprescindível em qualquer sistema de produção animal, porque:
A) permite apenas que o produtor identifique seus animais.
B) permite o controle do rebanho a detecção dos pontos críticos e favorece as tomadas de decisões nas propriedades. Independente do método de identificação adotado é importante o comprometimento dos profissionais envolvidos com a coleta e armazenagem dos dados.
C) permite identificar o animal doente.
D) permite escolher o melhor animal.
Why does the the right testicle hang lower than the left?? PLease help i will be thank (Sorry english second language if your wondering why my grammar might be a little off. I formally apologize for any confusion the weird spelling. )
it is entirely normal for one testicle to be bigger than the other. Many people find that the right testicle is slightly larger and the left hangs lower. A difference in size is usually nothing to worry about, though it can occasionally indicate a problem.
This is perfectly normal and nothing to worry about. Either side may be slightly larger or hang lower. But be sure to tell a parent (who will let your doctor know) if you have any pain, swelling, or lumps in your testicles.
When a vein in a testicle becomes enlarged, it's called a varicocele. Varicoceles affect up to 15 percent of males. Like varicose veins in your legs, varicoceles may appear bulgy under the skin of your scrotum. They tend to form in the left testicle because the vein on the left side hangs lower.
What do you think about climate change warming driven by human induced emissions of green houses gases and it describes a change in such as temperature and rain fall
Answer:
The humans induced emissions of green houses gas by using artifacts that produce CO2.
Explanation:
The humans raise the green houses gas by using machines like cars, trains, and motorized machines that produces big amounts of pollution that contributes to the green houses gas, and that rises the temperature.
2. A certain recessive, lethal gene is carried on the X chromosome. (Lethal genes are those that result in death.) A man marries a woman who is hybrid for this gene. What sex ratio would be expected among the living children of this couple?
%Male
%Female
PLEASE CAN ANYONE HELP ME THIS IS MY THIRD TIME POSTING!
NO LINKS PLEASE THEY ARE TIRING
Answer:
The correct answer is : male : female = 1:2
Male percent = 33.33%
female percent = 66.66%
Explanation:
In this question, it is given that a lethal gene is carried by X chromosome which is recessive which means will cause death if both copies are recessive for this gene.
The cross between normal man and hybrid or heterozygous women
The gametes: XH and Y from man and XH and Xh from women where Xh is recessive letheal allele.
The cross:
XH Y
XH XHXH XHY
normal female Normal male
Xh XHXh XhY
Carrier female dead male
This explains that out of three offspring two will be females and one male. Thus the percentage will be:
Male : 1*100/3 = 33.33%
Female : 2*100/3 = 66.66%
explica la relación entre el desarrollo de la resistencia a un insecticia entre una especie de insectos y la adaptación
Answer:explains the relationship between the development of resistance to an insecticia between a species of insects and the adaptation
Explanation:
In cats, coat color is an X-linked trait with incomplete dominance. Yellow coat is caused by the allele XT and black coat by the allele Xt. A tortoise cost is caused by the heterozygous condition. What is the correct way to represent the genotype of a male cat with a black coat
Answer:
The genotype of a black male is XtY
Explanation:
Available data:
coat color is an X-linked trait with incomplete dominance.Yellow coat is caused by the allele XTBlack coat by the allele Xt.Tortoise coat is caused by the heterozygous conditionSo,
females genotypes females phenotype
XTXT → Yellow coat XtXt → Black coat XTXt → Tortoise coatmales genotype males phenotype
XTY → Yellow coat XtY → Black coatMales only carry one X chromosome, so they can only be either black - XtY- or yellow -XTY-.
Females are the only ones that can express the tortoise coat.
The correct way to represent the genotype of a male cat with a black coat - XtY
We know that,
In cats, coat color is an X-linked trait - it means it is influenced by the X allele onlyIn cats, coat color is shows incomplete dominance - it means if corresponding alleles present together they will show an intermediate coat color.the allele XT - Yellow coatthe allele Xt - black coatXTXt (heterozygous) - tortoise coat (incomplete dominance)In X linked traits heterozygous conditions are not possible in males as they have only one X allele and the other is Y allele.So,
Female cats genotype would be:
XTXT - female cat with yellow coatXTXt - female cat with a black coatXtXt - female cat with tortoise coatMale cats genotype:
1. XtY - black coat male cat
2. XTY - yellow coat male cat.
Thus, The correct way to represent the genotype of a male cat with a black coat - XtY
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Type an X beside all the TRUE facts about estuaries.
22. Estuaries are partially enclosed bodies of water where salt water from the ocean mixes
with fresh water from rivers and streams (brackish water).
23. Estuaries have some of the highest abundance of organisms of all of the ecosystems in
the world.
24. Estuaries have very deep waters.
25. Estuaries provide food, shelter and nursery grounds for animals.
26. Estuaries tend to have low amounts of nutrients in their waters.
27. Estuaries are called the “cradle of the ocean.”
28. Estuaries are part of the intertidal zone.
29. Estuaries are stable environments in terms of tides, salinity and temperature.
Answer:
22 is correct, 24 is correct, 25 is correct and 28 is correct
Explanation:
Answer:
Except for 24 and 26. . All the statements are correct.
Explanation:
Statement 22: It provides for the definition of an estuary i.e., partially closed bodies of water where water from ocean mixes with freshwater from rivers, lakes, or streams. Therefore, the statement is TRUE.Statement 23: Estuaries have a very ideal ecosystem which supports both lives underwater and land making them rich in wildlife. This is because of the rich nutrient deposition in and around the estuaries. Therefore, the statement is TRUE.Statement 24: Estuaries usually have shallow beds and do not tend to have deep water. Therefore, this statement is FALSE.Statement 25: Since estuaries have good climatic conditions rich of flora and nutrients. It can provide food, shelter, and nursery grounds to animals. Therefore, this statement is TRUE.Statement 26: Estuaries have a high deposition of nutrient as it includes the nutrient from the freshwater lakes and rivers as well as the nutrients from the sea and ocean. Hence, this statement is FALSE.Statement 27: The aquatic plants and shallow water provides good hiding places and protection to the eggs of many animals. Proving it to be an excellent nursing ground away from predators, this is the reason it is called the cradle of the ocean. Therefore, this statement is TRUE.Statement 28: The intertidal zone is an area where the ocean meets the land during high and low tides. Since estuaries are located at the bank of the ocean, therefore, it is a part of the intertidal zone. Hence, this statement is TRUE.Statement 29: Estuaries have a stable temperature ranging between 13 degrees Celsius to 60 degrees Celsius. Estuaries have a stable salinity of 0.5 to 35 ppt and are located at a safe tide zone. Therefore, this statement is TRUE.For more information:
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HELP!!!!!!!!!!!
Which of the following is the most likely professional classification of a scientist whose studies focused on the commercial production of pecans?
forest manager
botanist
pomologist
arborist
Answer:
Pomologist
Explanation:
A pomologist is a scientist responsible for ensuring the healthy growth and breeding of fruits and nuts, and the trees and bushes on which they grow. Pomology is the planting, harvesting, storing, processing, and marketing of fruit and nut crops.
What property of a corridor's design is most important, allowing it to maximize
biodiversity?
Answer:
The ability to maintain vegetation?
Explanation:
Answer: wide corridors
Explanation:
wide corridors provide for greater biodiversity and have less impacts from adjourning land uses and associated edge effects, and provide habitat in their own right.
In drosophila the anterior-posterior axis is established bya. The distribution of the RNA-binding transcription factor called bicoid and the protein nanos localized in the anterior and posterior poles of the embryo, respectivelyb. The distribution of a gene that codes for an RNA-binding protein called nanos localized in the anterior pole of the embryo and a transcription factor called bicoid localized in the posterior pole of the embryo
Complete question:
In Drosophila the anterior-posterior axis is established by
a. The distribution of the RNA-binding transcription factor called bicoid and the protein nanos localized in the anterior and posterior poles of the embryo, respectively
b. The distribution of a gene that codes for an RNA-binding protein called nanos localized in the anterior pole of the embryo and a transcription factor called bicoid localized in the posterior pole of the embryo
c. The distribution of a gene that codes for an RNA-binding protein called nanos localized in the posterior pole of the embryo and a transcription factor called bicoid localized in the anteror pole of the embryo
d. The distribution of the RNA-binding transcription factor called bicoid and the protein nanos localized in the posterior and anterior poles of the embryo, respectively
Answer:
c. The distribution of a gene that codes for an RNA-binding protein called nanos localized in the posterior pole of the embryo and a transcription factor called bicoid localized in the anterior pole of the embryo
Explanation:
When the Drosophila zygote develops, it goes through different stages until it gets to the blastula stage. At this point, there are pole cells that determine the axis of the organism -the anteroposterior and the dorsoventral axis-.
A two hours old embryo has already determined its two axes. A ten hours old embryo has already determined its body segments. And from there, each of them develops a structure that turns to be their identity.
Different genes determine the polarity of the egg.
Dorsoventral genes place in the superior and inferior parts of the egg and determine the development of dorsal and ventral tissues.
The same happens with anteroposterior genes.
The BICOID genes place in the anterior part of the egg and activate the hunchback genes that determine the development of the head and the thorax. The Bicoid mRNA distributes in the anterior region of the egg.The NANOS gene reprimes the hunchback genes, which promoted the development of the posterior structures of the body. The Nano mRNA places in the posterior region of the egg, and Nano proteins distribute in this area.The polarity genes of the egg are genes of maternal effects.
While the bicoid and nano genes are expressed in the ovary, the hunchback gene is expressed in the embryo. This last one is activated or inhibited by the foreign ones.
Bicoid and nano genes gradient regulate the expression of the gap, pair-rule, and segment polarity genes.
how can identifying birds in your area help scientists
Answer:
it can help them by seeing what birds are in your area an any new species that might have traveled to your area but it can also help scientist learn about some of the birds.
Birds contributing their data go beyond identifying birds to recording their sightings and additional details. then they deposit their records online in a permanent archive.
According to Darwin's theory of natural selection, the individuals that tend to survive are those that have...
Answer: adaptated to the environment
Explanation: Dawin's theory of adaptation explains that the individuals that survive adapt to the environment
Cells that line the intestines break down food and absorb nutrients. Which cellular organelle performs a similar function for cells?
Answer: lysosome.
Explanation:
A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes.
What are three functions of lysosomes?A lysosome has three main functions:
The breakdown of macromolecules , Cell membrane restoration, and Responses against ailen substances.Thus, lysomome cellular organelle performs a similar function for cells.
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SCENARIO THESE FINCHES HAVE A VARIETY OF BEAK SIZES AND SHAPES (CHARACTERISTICS)
PRINCIPLE OF EVOLUTION OCCURRING:
HOW DO YOU KNOW?
IN A WORLD WHERE BUGS BECOME SCARCE WHICH FINCH (OR FINCHES) WOULD BE SELECTED FOR?
Answer: Beaks that are capable of eating food other than bugs.
Explanation: Choosing a Finch with a beak that is capable of eating fish, and/or taking food out from a cactus is one that would survive in a world where bugs become scarce.
How do female plants reproduce
Answer:
Flowering plants reproduce sexually through a process called pollination. The flowers contain male sex organs called stamens and female sex organs called pistils. ... Cross-pollination happens when the wind or animals move pollen from one plant to fertilize the ovules on a different plant.
Explanation:
I hope this help:)
Answer:
I'll give you tell you just how...
when bees collect nectar, pollens from the stems of the Male reproductive organs of flowers stick to the hairs of their body. when these bees move to next flowers, these pollens get rubbed off onto the stigma of the female reproductive organ of the flower. this particular process the same as carrying sperm cells of the Male reproductive organs of human to the female human leg cell ( ovum )
In whole-genome shotgun sequencing, the chromosome is cut into pieces, the pieces are sequenced, and the sequences are aligned based on overlapping sequences into a contig. Place the fragments of DNA in the proper places to form the contig for this sequence of DNA, using the central CAT sequence as a guide. ResetHelp CATCGAGCATCGAG CCAGGCCCCAGGCC GGCCATCGGCCATC AGGCCATAGGCCAT CCATCGACCATCGA
Answer:
CCAGGCC
CCATCGA
GGCCATC
CAT
AGGCCAT
CATCGAG
Explanation:
Shotgun sequencing is a method used to determine the nucleotide sequence of entire chromosomes/genomes. This sequencing method consists of obtaining random DNA fragments which are subsequently classified by bioinformatic tools that ordering them according to overlapping sequences called contigs. In the whole-genome shotgun (WGS) technique, the entire genome of an organism is sequenced, being the critical factor the depth of sequencing, which refers to the quality of the sequencing reads (e.g., a depth of 20X indicates that the genome is sequenced 20 times by a sequencing machine). For the human genome, WGS became available after the completion of the Human Genome Project (HGP), which enabled the generation of a reference sequence for the whole human genome. The steps of the WGS technique are the following:
1. Preparation of isolated chromosomes
2. The DNA is sheared into small fragments
3. The DNA fragments of about 1 kilobase (1000 base pairs) are incorporated into plasmids which are cloned to render pure samples of each DNA fragment
4. The plasmid clones are sequenced by sequencing machines
5. Bioinformatic tools finally are used to link DNA fragments by their overlapping ends
Which is the best description of a tropical climate zone? O A. High altitude O B. Warm all year long O C. Thick sheets of ice O D. Arid all year long SUBMIT
help
Answer: Hewo, there! your answer is Below
B. Warm all year long
Explanation:
here are normally only two seasons in tropical climates, a wet season and a dry season. The annual temperature range in tropical climates is normally very small. Sunlight is intense.
Hope this helps!
Have a great day!!
Stephanie is listening to the news and hears that Earth has recently experienced an increase in
radiation from the Sun. She might reasonably conclude that what occurred recently on the Sun to
result in this increase in radiation?
1. A slowing of the Sun's rotation
2. An increase in the Sun's mass
3. An increase is solar flares
4. A reduction in convection on the Sun
9. Pandemics occur when a disease is spread through large populations. Which is the best
example of a pandemic that has impacted the human population?
a. Strep throat
b. The common cold
c. Chicken pox
d. Small pox
Answer:
d small pox
Explanation:
How many chromosomes are in each of Chester's body or somatic cells?
Answer mHuman body cells have 46 chromosomes, while human gametes (sperm or eggs) have 23 chromosomes each. A typical body cell, or somatic cell, contains two matched sets of chromosomes, a configuration known as diploid wer:
Explanation:
Based on the information given above, which of the following models best represents the relationship between zooplankton , minnows, and largemouth bass in a freshwater ecosystem?
Chose the correct image to answer the question above. NEED THIS FAST
Answer:
Option C: Minnows have a direct negative effect (⇒(-)) on the population size of zooplankton. Basses have a negative effect (⇒(-)) on the population size of minnows. Basses have an indirect positive (---> (+)) effect on zooplankton.
Explanation:
In the trophic web occurs a process of energy transference through different organisms that places at different levels. Each level feeds on the preceding one and becomes food for the next one. The first link is an autotroph organism or producer. The following links are the consumers: herbivores are primary consumers and feed on producers. Carnivores are secondary consumers and feed on herbivores, and so on. The last links are the decomposers, microorganisms that act on dead animals degrading organic matter.
If any of the links change their population size (increasing it or decreasing it), it affects the superior links and the immediately anterior link.
In the exposed example, zooplankton, minnows, and basses are continuously interacting.
Minnow →(-) ZooplanktonMinnows feed on zooplankton. So they affect direct and negatively the invertebrate population. The more minnows there are, the more zooplankton they eat. So, as long as the minnows population keeps growing, the zooplankton population will be more affected because they will not have enough time to reproduce and recover from predation.
Bass →(-) Minnows
Bass feed on minnows, so they also affect direct and negatively the fish population. And the more the bass population grows in size, the more affected the minnows will be because many more basses will be eating them.
Bass ---->(+) Zooplankton
On the other hand, by negatively affecting the minnows population, basses will be indirectly and positively influencing the zooplankton population. This fact is because the more minnows basses eat, the fewer fishes there will be to prey on zooplankton. So the invertebrate will have enough time to recover its population size. The predation pressure acting on zooplankton will decrease thanks to the action of basses preying on minnows.
Here there is a natural equilibrium between the three species. It is a representation of typical cycle predator-prey.
Minnows prey on zooplankton. Minnows population grows, and the zooplankton population decreases.As the minnow population grows, there is more available food for basses, who eat more minnows. As the bass population increases, the minnows population decreases in size. And as there are fewer minnows, the zooplankton population will increase. If minnows decrease in number, basses will decrease in number too. Minnows will not be severely affected by basses, so their population increases again. As zooplankton also increased, there will be more available food for minnows that will keep reproducing. And the more minnows there are, the more available food for basses there will be. And basses population will increase again. So you can see that zooplankton is indirectly and positively affecting the basses population too (not shown in images).What happens to water on Earth’s surface as it is heated by the sun? What is this process called?
Explain your answer.
Answer:
As the water is heated by the sun, water vapor is created and released into the air (process is called evaporation)
Explanation:
The heat coming from the sun heats up the water droplets and turns those droplets from a liquid into a gas (water vapor)
What type of amino acids would you expect to find in the transmembrane portion of a membrane
protein?
Answer:
The most common tertiary structures of these proteins are transmembrane helix bundle and beta barrel. The portion of the membrane proteins that are attached to the lipid bilayer consist mostly of hydrophobic amino acids.
Explanation:
.......................