In embryonic stage humans, birds and fish are similar in many aspects
why
help me answer this fast
Answer:
The developing of the humans, fish and other kind of embryos share the features like tails and gill like features. The human embryos resemble that of other species because these are related with the evolutionary relationship belonging to the same ancestor.
Explanation:
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Answer:
A lymphocyte is a type of white blood cell that is part of the immune system. ... The B cells produce antibodies that are used to attack invading bacteria, viruses, and toxins. The T cells destroy the body's own cells that have themselves been taken over by viruses or become cancerous.
List three ways RNA is different from DNA?
Answer:
RNA contains the sugar ribose
DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom
RNA has the nucleolus uracil while DNA contains thymine.
Explanation:
The data table and the cladogram below provide information about the evolutionary history of several different species of animal. Using this information, which of the following is true of trout? Claws/Nails Feathers Jaws Lungs Mammary glands Bird X X X X Hagfish Lizard X X X Rabbit X X X X Salamander X X Tiger X X X X Trout X Image depicts a cladogram with hagfish, trout, salamander, lizard, bird, rabbit, and tiger represented. Trout diverge from hagfish with the introduction of jaws. Salamander diverges from trout with the introduction of lungs. Lizard diverges from salamander with the introduction of claws and nails. Bird diverges from lizard with the introduction of feathers. Rabbit and tiger diverge from lizard with the introduction of mammary glands. They are more closely related to salamanders than they are to birds. They are more evolved than salamanders and lizards. They evolved into a separate species due to the presence of lungs. They have jaws and lungs but lack claws or nails, feathers, and mammary glands.
Answer:
They are more closely related to tigers than they are to birds.
Explanation:
I just took the test.
The conclusion that can be drawn about trout from the diagram is :They are more closely related to salamanders than they are to birds. Birds claws, feathers, jaws and lungs. Trout has jaws only. Hence, they are entirely different from birds/
What are trouts ?Trout is kind of food fishes belonging to the family Salmonidae (order Salmoniformes) that are mostly restricted to freshwater, but certain species do migrate to the sea between spawning.
Trout typically inhabit chilly freshwater, frequently in riffles and deep pools, or amid submerged items. Like any other fishes, trout have jaws and they does not have lungs, claws or feathers. They respire through gills.
Higher animals like, rabbits, tigers, birds etc. consists of lungs and rabbits and tigers have Mamery glands. Salamanders does not have feathers or claws or like birds but has jaws and lungs. Hence, trouts are more alike to salamanders than birds.
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The image related to your question is given below:
According to your cladogram, what species are dragonflies most closely related to? How
do you know?
What inference can be made from the scientific discovery that life processes are shared by all organisms?
Innate behavior is programmed into the genetic code.
Natural selection is no longer the driving force of evolution.
Organisms alive today will not exist in thousands of years.
Species are linked by lines of descent or close relatives.
Answer:
species are linked by lines of descent or close relatives.
What fat measurement corresponds to low-fat ice cream?.
An air mass formed in Northern Canada moves into United States what type of air mass is this most likely to be in and what affect will have on the weather in the US
Answer : Radiational Cooling
Explanation: Continental polar (cP) or continental arctic (cA) air masses are cold, dry, and stable. These air masses originate over northern Canada and Alaska. They move southward, east of Rockies into the Plains, then eastward.
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Which are examples of source and sink cells in a plant?.
Source is tissue, leaves and stem whereas sink are tubers and seeds.
Source and sink cells in a plant.In a plant cell, photosynthetic tissues, green leaves and green stems are the source where food is produce while on the other hand, germinating seeds, tubers are the sink where the food are stored so we can conclude that source is tissue, leaves and stem whereas sink are tubers and seeds.
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How do antibiotics work own words
Answer=
Antibiotics work by interrupting critical bacterial activities, killing or preventing germs from growing.
Explanation:
The body's natural immune system is aided in fighting bacterial infection as a result of this. Antibiotics are effective against a variety of germs and They do this by either killing the bacteria or preventing them from replicating or duplicating themselves.
Many years ago, a scientist grew pea plants that produced wrinkled peas. The peas from these plants produced new plants that also produced wrinkled peas. The scientist concluded that something in the parent plants was being transmitted to the next generation. This discovery is now known as.
What is the name of the enzyme that is responsible for building a mrna strand that is complementary to a dna template strand?.
Although bacteria and other single-celled organisms can produce genetically identical offspring. they sometimes still exchange DNA be passing it from bacteria to bacteria. What might be the advantage of exchanging DNA in this way?
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Answer:
Bacteria, like all living organisms, have evolved at least one autonomous mechanism, conjugation, for exchanging portions of genetic materials between two related cells. The ecological benefits of conjugation include the expansion of metabolic versatility and resistance to hazardous environmental conditions.
Explanation: Hope this helps
Industries and car manufacturers are constantly working to lower their emissions. Factories use
something called a scrubber to help lower emissions. What do car manufacturers add to cars to help
lower emissions? (4b)
O oil drip pan
O scrubber
O catalytic converter
O pistons
Answer:
c catalytic converter
Explanation:
i just took the test
The spreading out of molecules from a center of higher concentration is the result of.
We have that the spreading out of molecules from a center of higher concentration is the result of Diffusion
Diffusion
DiffusionGenerally, Diffusion is the movement of mainly gaseous bodies from an area where it is at higher concentration to an area where it is at lower concentration.
Therefore, The spreading out of molecules from a center of higher concentration is the result of Diffusion as seen in the definition
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50 POINTS AND BRAINLIEST IF YOU GIVE CORRECT ANSWER.
A Colorblind male and a female that is h o m o z y g o u s for the normal allele have offspring. what percent of males would have normal vision, what percent of males would have c o l o r b l i n d n e s s, what percent of females would have normal vision, and what percent of females would have colorblindness?
Answer:
none of the males or females could be colorblind, assuming that this question is referring to x-linked recessive inheritance patterns.
Explanation:
if it is an x linked recessive trait, then the male's genotype is [tex]x^{b} y[/tex], with (b) representing colorblindness and (B) representing normal vision. the female, who is h o m o z y g ou s for normal vision, would have the genotype [tex]x^{B} x^{B}[/tex].
It would be impossible for the dad to pass on his colorblind gene to a son, because he can only pass a Y chromosome to the son. and a daughter would get the colorblind gene, but the normal gene donated by the mom would dominate it so the daughter could not actually be colorblind
Answer:
none of the males or females could be colorblind, assuming that this question is referring to x-linked recessive inheritance patterns.
Explanation:
if it is an x linked recessive trait, then the male's genotype is , with (b) representing colorblindness and (B) representing normal vision. the female, who is h o m o z y g ou s for normal vision, would have the genotype .
It would be impossible for the dad to pass on his colorblind gene to a son, because he can only pass a Y chromosome to the son. and a daughter would get the colorblind gene, but the normal gene donated by the mom would dominate it so the daughter could not actually be colorblind
The second heart sound is heard during which phase of the cardiac cycle?.
We have that the second heart sound is heard when the semilunar valves opens.
Cardiac CycleThe cardiac cycle is simply defined as the complete process of the human heart from the beginning of one heartbeat to the beginning of the next.
Generally, the second heart sound is associated with the opening of the semilunar valves.
Therefore, when the semilunar valves opens.
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Dynamic equilibrium is detected by receptor regions called . 2. Static equilibrium receptors are located in the vestibular apparatus branch called . 3. Static equilibrium is detected by receptors within membranous sacs called maculae. 4. Dynamic equilibrium receptors are located in the vestibular apparatus branch called . 5. The bending of dynamic equilibrium receptors is caused by the gelatinous cap called the . 6. The bending of static equilibrium receptors is caused by tiny stones called
Receptors placed in the different areas of the vestibular apparatus detect the types of equilibriums. 1) crista ampullaris, 2) utricle and saccule, 3) maculae, 4) semicircular canals, 5) cupula, 6) otoliths.
How is the vestibular apparatus composed?Three main areas compose the vestibular apparatus. These are the
utricle, saccule, and semicircular canals. What are the different types of equilibriums?The vestibular apparatus detects two types of equilibriums,
• The static equilibrium → Head and body position relative to gravity
• The dynamic equilibrium → Head and body position relative to rotational acceleration and deceleration.
These types of equilibriums are detected by receptors placed in different areas of the vestibular apparatus.
• Static equilibrium receptors are located in the macula of the utricle and saccule. They help to maintain balance.
• Dynamic equilibrium receptors are located in the semicircular canals. They provide information about the rotational movement.
The sensory hairs are located in the crista of the ampulla, at the base of each canal (crista ampullaris).
The sensory hairs are covered by a dense gelatinous material named cupula, the otolithic membrane.
The otoliths are calcium carbonate crystals placed over the cupula. Their movements depend on the head’s movements.
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The _______ of a sensory receptor may be irregular in shape and overlap with those of neighboring receptors. The size of this area determines the sensitivity to a stimulus.
Answer:
The receptive field
Explanation:
Quizlet
Which osseous tissue is found on the surface of bones and composed of tightly arranged parallel osteons?.
How does drug resistance among insects and bacteria offer evidence for evolution?
Some members of the Euglenids are photosynthetic, yet they will lose their photosynthetic pigment if left in the dark. True or False: After storing Euglenids in the dark, the loss of the photosynthetic pigment is permanent.
A) Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE
B )The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False
What are EuglenasEuglenas are unicellular organisms belonging to the kingdom Protista, when kept in the dark for too long Euglenoids begin to lose their chlorophyll. As it loses its chlorophyll it becomes unable to produce its own food and starts consuming bacterias within its habitat.
The loss of chlorophyll in Euglenids can be regained after it is been exposed to sunlight and allowed to grow exponentially for several weeks.
Hence we can conclude that Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE while The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False
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Question 17 of 20
Which of these descriptions most likely represents a human community with
the highest death rates due to disease?
A. Low population density, less access to technology
B. High economic status, more access to technology
C. Low economic status, more access to technology
O D. High population density, low economic status
SUBMIT
I think it is D because of the question
Pepsin acts on proteins in the stomach. Explain how its optimum pH is suited to its working environment
What is the main source of energy for cellular respiration.
Answer: Glucose
Explanation: Glucose is used for all plants and animals to create energy via means of cellular respiration. The glucose is broken down into useable energy with the help of oxygen and other important molecules.
Read the short excerpt below and answer the questions after. You will be doing math so please show your work.
During the hottest months of summer, ewes (females) and lambs come to waterholes almost daily. The male sheep (rams) sometimes do not come to water for nearly a week at a time. Rams may roam 20 miles (32 kilometers) away from the available water supply. Add 20 miles (32 kilometers) to the approximately 5 miles (8 kilometers) traveled per day, and rams may travel almost 75 miles (120 kilometers) before they drink again. Rams are believed to drink approximately 4 gallons (15.2 liters) of water when they do come to water, while a ewe drinks approximately 1 gallon (3.8 liters) and a lamb drinks 2 pints (940 milliliters).
Questions:
1. How many miles to the gallon or kilometers per liter (of water) does a ram get?
2. How many gallons (or liters) of water would a ram drink in a month?
3. How many gallons (or liters) of water would a ewe drink in a month?
4. How many gallons (or liters) of water would a lamb drink in a month?
5. How much water must be available in a waterhole for 10 rams, 16 ewes, and 7 lambs in order for them to survive the months of June, July, and August?
6. What rate of inflow would a waterfall have to have to sustain the population given above if water evaporated at a rate of 10 gallons (38 liters) per day?
Answer:
1) 20 miles
2) 4gallons (15.2 liters)
3) 1 gallons (3.8 liters
4) 2pints or 940 milliliters
5) 658.14 liters
Explanation:
______ are drugs that liquefy and dilute viscid secretions of the respiratory tract, thereby helping to evacuate those secretions.
Answer:
I believe the answer to this question is “expectorants”.
I hope this helps.
How do Codominance and Incomplete dominance affect the inheritance of traits? Question 5
The surface along which the crust moves is called a fracture.
True
False
Answer:
False.
Explanation:
Faults are cracks in the earth's crust along which there is movement.
Answer:
False
Hope this helps