Type the correct answer in each box. Use numerals Instead of words. Express your answer in scientific notation.
What numbers do i put in tbe bixes
The number of atoms that remains at the said time is 3.76 * 10^11 atoms of Cl-36 and 2.62 * 10^12 atoms of Ar-36.
What is the half life?The term half life is used to explain the time taken for only half the number of radioactive atoms to remain.
Given that;
No = 3 * 10^12 atoms
t1/2 = 3.01 8 10^5 years
t = 9.03 * 10^5 years
Thus;
k = 0.693/3.01 * 10^5
=2.3 * 10^-6 year-1
Now;
N=Noe^-kt
N = 3 * 10^12e^(2.3 * 10^-6 * 9.03 * 10^5)
N = 3.76 * 10^11 atoms
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Henry went on a field trip to a national park. He not only observed the aquatic life in the pond, but also the trees, vegetation, and animal’s species on land.
Which type of diversity did Henry come across in the national park? Henry came across the diversity.
The diversity observed by henry is ecological diversity.
What is ecological diversity?Ecological diversity is the variation in the ecosystems found in a region or the variation in ecosystems over the whole planet. Ecological diversity includes the variation in both terrestrial and aquatic ecosystems.
Henry observed the aquatic life in the pond, but also the trees, vegetation, and animal’s species on land called as ecological diversity across national park.
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When studying personality traits, someone who is quiet, reserved, and withdrawn will score low on the ________ trait.
According to the research, someone who is quiet, reserved, and withdrawn will score low on the extroversion trait.
What is the extraversion trait?It is a personality trait that makes it easy for leaders to influence their subordinates.
This trait is characterized by sociability, high energy, and/or talkativeness, that is, they are very communicative and sociable.
Therefore, we can conclude that according to the research, someone who is quiet, reserved, and withdrawn will score low on the extroversion trait.
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Where do the instructions used to create proteins originate?
A. the brain
B. the nucleus
C. the mitochondria
Answer:
b) The nucleus
Explanation:
The DNA in the nucleus gives instructions which is used to create proteins. Hence, the option (b) is correct answer.
The instructions used to create proteins originate in the nucleus. Therefore, option B is correct.
What is a nucleus?According to genomics, a cell's membrane-enclosed organelle called a nucleus houses the chromosomes. Three main things are the nuclear envelope, nucleolus, and chromatin body.
The nucleus functions as the cell's control center and genetic information store by containing the genome. Only the final phase of gene expression (translation), which takes place in the cytoplasm, is associated with the cytoplasm. DNA replication, transcription, and RNA processing all occur within the nucleus.
DNA is synthesized in the nucleus, it contains information for the formation of proteins. The instructions used to create proteins originate in the nucleus. Therefore, option B is correct.
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The energy required for organisms to respond to the environment comes from.
The energy required for organisms to respond to the environment comes from sun.
How do producer organisms obtain energy?The Sun is our star and it represents the most important source of energy for all organisms in a given ecosystem (both consumers and producers).
Producers are organisms at the bottom of the food pyramid that can synthesize biomass by using light energy from the Sun.
In conclusion, the energy required for organisms to respond to the environment primarily comes from the sun.
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why birds are kept in aves class.?
Answer:
This is mostly because there were several non-bird dinosaurs that had wings. One of these was the Caudipteryx.
this should help
Answer:
living species evolved from reptiles, not mammals. However, they have adapted to fly. Aves are warm-blooded species with scales on their feet.
Which statement about control Ed experiments is correct?
A. Controlled experiments test more than one variable at a time.
B. Controlled experiments do not contain and experimental group.
C. Controlled Experiments are rarely used anymore
D. Controlled Experiments test only one variable
The genetic combination for the trait is the __________ and the physical characteristic that you see is the _________.
Answer:
1. Genotype 2. Phenotype
Explanation:
After three rounds of mitosis, how many new cells will have been created from one parent cell?
Answer:
There would be 8 after 3 rounds of mitosis
Explanation:
I looked it up :)
Which part of a DNA molecule is responsible for the direct coding of specific traits in anorganism?
The part of a DNA molecule responsible for the direct coding of specific traits in an organism is the nucleotide sequence.
How is a DNA molecule structured?The DNA molecule is the biological molecule that stores genetic information in living organisms.
The DNA molecule is made up of three major components in its structure:
Five carbon sugarNucleotide basesPhosphate groupThe five carbon sugar is deoxyribose while the nucleotide bases are four in number as follows:
AdenineGuanineThymineCytosineThese nucleotides are responsible for the direct coding of specific traits in an organism.
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You select seeds from the largest, tastiest watermelons from your garden every year and use them to grow the next year's fruit. over many years, how would this affect the variability of the watermelon genes?
a.
there would be less variability in the genes of the watermelon plants.
b.
there would only be genes for seedless watermelons.
c.
it would increase variability in the genes of the watermelon plants.
d.
the genes for smaller watermelons would increase.
reset next
There would be less variability in the genes of the watermelon plants and is denoted as option A.
What is Variability?
This is defined as the difference between organisms which is caused by genetic or environmental factors.
Using the seeds from the largest, tastiest watermelons will reduce variability over time because these characteristics will become dominant.
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9. A protein molecule which is denatured, has
a. split into smaller molecules
c. Changed its shape
b. combined with another molecule d. been diluted
Answer: B. combined with another molecule
Explanation:
i just took the test
Proteins are macromolecules composed of amino acid chains joined through peptide bonds. A denatured protein molecule has changed its shape. Thus, option c is correct.
What is protein denaturation?Protein denaturation is a process where the proteins under unfavorable conditions like temperature, chemicals, and pressure result in an alteration in their functions.
The basic structural organization of the proteins contains primary, secondary, and tertiary formation that gets altered at high temperatures resulting in the breaking of the covalent bonds and disruption of the amino acid chain.
This results in the protein breaking and forming the primary structure that leads to alteration of the shape and conformation. This change results in loss of the function and activity of the protein.
Therefore, option c. the denatured proteins result in alteration in shape.
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Does the high concentration of the morrison formation mean that more organisms lived here 150 mya compared to other other parts of the country
Answer:
Jurassic Fact: The Morrison Formation is named after the town of Morrison, Colorado.
Explanation:
The Morrison Formation is a rock unit from the Late Jurassic (155 million years ago-148 million years ago). It extends throughout the Western United States and often contains fossils of dinosaurs such as Camarasaurus, Diplodocus, Apatosaurus, Stegosaurus, Allosaurus, and others. Although the Morrison was deposited in a wide variety of environments, it is the river channels that are most likely to contain dinosaur bones. Quiet water lake and pond deposits are best for preservation of the small delicate skeletons of salamanders, frogs, lizards, and others. In order for a fossil to form, the body must be buried quickly before weather conditions and scavengers have a chance to scatter or otherwise destroy the bone. In the park you will also see "Rainbow Beds" of the Morrison, which are mostly crumbly grey and maroon mudstones. They are pretty to look at, but do not often contain dinosaur fossils.
The high concentration of the Morrison formation means that more organisms have lived here 150 mya compared to the other parts of the country. The given statement is true.
What is Morrison Formation?The Morrison Formation is famous for its dinosaur fossils, which have been collected for more than a century ago on this planet. This has began with a find near the town of Morrison, Colorado, in 1877. Through radiometric dating it was found that the Morrison Formation has taken place between 148 to 155 million years old on the planet.
The Morrison Formation is a rock unit from the Late Jurassic period. It extends throughout the regions of Western United States and contains the fossils of dinosaurs such as Camarasaurus, Diplodocus, Apatosaurus, Stegosaurus, Allosaurus, and others.
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Dr. Grant describes studying how many offspring (babies) the finches have. Another way to say this is he's studying...
SELECT AN ANSWER
homologous traits
selective pressures
fitness
variation
Which of these best matches an object in space with its characteristic?
ganymede → orbits the sun
inner planet → gaseous in
composition
outer planet → many moons
Meteorite → comet which hits earths surface
select the incorrect association amoeboid cell - digestion, collar cell - water current, epidermal cell - covering, spicule cell - reproduction
Spicules is the skeletal structures which occur in most sponges. They provide structural support, as well as determent against predators. Large spicules, visible to the bare eye are called as megascleres, while smaller, microscopic ones are called as microscleres. Spicule cell - reproduction is the incorrect option.
amoeboid cell - digestion
What is amoeboid cell?Amoeboid cells are the that have capacity to change shape due to the parts of the skeleton of the cell called cytoskeleton and plasma-gel which changes the consistency of the cell's cytoplasm. Amoeboid cells use a pseudopodia, or false foot, to move forward. They carry-out phagocytosis, which is to eat or ingest other cells.
collar cell - water current
The collar cells serve two functions. Firstly, they beat their flagella back and forth to force water through the sponge. The water brings in nutrients and oxygen, while it carries out waste and carbon dioxide. Second, the sticky collars of the collar cells pick up tiny bits of food brought in with the water.
epidermal cell - covering.
The epidermis and its waxy cuticle provide a protective barrier against mechanical injury, water loss, and infection.
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Most earthquakes happen
Answer:
Earthquakes take place miles underground, and can happen at any time in any weather. Big earthquakes always occur early in the morning.
Explanation:
Describe one specific way that HIV makes the body unable to deal with other pathogens and cancer.
By weakening the immune system, HIV makes a person prone to other pathogens as well as cancer.
What is HIV?The term HIV stands for the human immune virus. It is a virus that attacks and weakens the immune system of a person thereby making the person very much vulnerable to pathogens.
Thus, by weakening the immune system, HIV makes a person prone to other pathogens as well as cancer.
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phenomenons that occurs when we observe plant that wilt
Answer:
The xylem releases all its water
Explanation:
which part of the cell membrane does not mix with water
Answer:
FATTY ACIDS
Explanation:
When did the high tide enter the nisqually estuary for the first time in over 100 years?
During the fall of 2009, the high tide entered the nisqually estuary for the first time in over 100 years.
What is Nisqually estuary?
This is formed when the freshwater of the Nisqually River meets the salt water of Puget Sound.
In the fall of 2009, the high tide entered it for the first time in nearly a century.
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ou are a molecule of nitrogen. Choose a starting point in the nitrogen cycle and describe the process you would go through to move through the entire cycle.
The initial point of the nitrogen cycle is fixation which is carried up by the bacteria. Some bacteria perform nitrification that makes the nitrogen usable for the plant species.
What do you mean by the Nitrogen cycle?The nitrogen cycle may be defined as the cyclic passage of nitrogen and its compounds throughout the environment and living organisms like microorganisms, plants, and animals.
The inorganic form of the nitrogen gets assimilated into the roots of the plants that absorb it by vascular tissues.
When this plant is eaten by animals, the nitrogen is transported into its body and synthesizes proteins. After the death of that animal, its excretion, and other waste the nitrogen is again returned to the soil which is then decomposed by bacterial species.
Therefore, it is well described above.
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A calorie is a measure of energy. Assume that there are 1000 calories of plants in a chamber. If grasshoppers (a plant eating insect) eat all of the plants and a bird eats all of the grasshoppers, how many calories did the bird actually absorb if only 10% of the energy is transferred between each level.
Only 10 calories did the bird actually absorb when there is a total of 1000 calories were stored in a plant chamber.
What is Calorie?A calorie may be defined as a unit of energy that we get from food products and burn during a physical workout.
According to the 10% law given by Lindeman, if a plant chamber consists of 1000 cal., the amount of energy transferred to herbivores is 10% of 1000 which is 100 calories.
Similarly, the 10% of 100 cal., gets transferred to the next trophic level which is carnivores or secondary consumers. The 10% of 100 is 10 calories.
Therefore, only 10 calories did the bird actually absorb when there is a total of 1000 calories were stored in a plant chamber.
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How can water from a small stream on a mountain north carolina affect an estuary that is hundreds of miles away ?
Water from a small stream on a mountain in North Carolina can affect an estuary that is hundreds of miles away so that pollution can accumulate and damage the estuary from the small stream.
What is an estuary and why is it important?The importance of estuaries is very relevant. Estuaries provide food and habitat to a very wide range of living beings with a decisive role in the marine food chain, where we can highlight several species of fish with commercial value.
With this information, we can conclude that water from a small stream on a mountain in North Carolina can affect an estuary that is hundreds of miles away so that pollution can accumulate and damage the estuary from the small stream.
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When a glacier retreats, it leaves barren rock, no soil or plants. What is this an example of?
Primary succession
Secondary succession
Both
re-introduction
Answer:
a primary succession because it helps to retreats glacier water ..
(Hello! Could someone help me with this asap? Will mark whoever is first Brainliest.) Nephrons, the functional unit of kidneys, are responsible for formation of urine. The sentences describe situations that are the result of problems in the urine formation process. For the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
The matching of each situation to the step in the urine formation process where the problem lies are as follows:
Step 1: Stella's urine contains protein due to inadequate filtration.Step 2: High toxin levels in the blood are due to Secretion. Step 3: Increased Metabolic wastes are due to inadequate Reabsorption. Step 4: The presence of vital Vitamins in urine is due to inadequate Reabsorption.Thus, Step 1 belongs to filtration, Step 2 belongs to secretion, and Steps 3 and 4 belong to reabsorption.
What is the important function of Nephron?The important function of the nephron may include the removal of all waste products through urine, secretion of numerous substances, excess water from the blood, etc.
Therefore, it is well described above.
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explain the mechanism that results in a shoot bending towards light
Answer: Auxin is a plant growth hormone that aids in the regulation of shoot development. However, when the amount of sunshine fluctuates, auxin is broken down on the stem's sunny side. Because the dark side has a larger concentration of auxin, the plant cells on that side develop faster and bend toward the light.
Explanation:
Identifying the independent and dependent variables in an experiment will help you better interpret and convey results. What is the difference between the independent and dependent variables in an experiment?
A. The independent variable is what is altered and the dependent is what is measured.
B. The independent variable is always a number, and the dependent variable is never a number.
C. The dependent variable is what the investigator controls, and the independent variable is what happens as a result of this.
D. The dependent variable is typically found in the first column of a table, and the independent variable is typically found in the second column.
The main difference between the independent and dependent variables in an experiment is that the dependent variable is what the investigator controls, and the independent variable is what happens as a result of this. Thus, the correct option is C.
What are the different variables of an experiment?A variable is any factor, trait, or any condition which can exist in differing amounts or types in the experimental setup. There are different types of variables which include independent variables, dependent variables, categorical and continuous variables.
The dependent and independent variables are the most important variables in an experiment. The main difference between these two variables is that the dependent variable is what the investigator controls while the independent variable is what happens as a result of this.
Therefore, the correct option is C.
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Which of these is most likely to result in evolution?
Question 1 options:
A large population of fish loses a few individuals
A plant has two alleles for yellow flower color
One phenotype of moths has better camouflage than the others
A stable, unchanging environment
One phenotype of moths has better camouflage than the others
54:56
The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant
that has green pods. Green pods are the dominant trait. The flowchart is missing the labels that describe the traits.
A
D
C
E
In which squares should the phrase "Green pods" appear?
O A and D only
OB and E only
O A, C, and D only
O A, B, C, D, and E
The inheritance pattern of pods color in pea plants is complete dominance. H0m0zyg0us dominant and heter0zyg0us plants have green pods. Option C) A, C, and D.
What is complete dominance?When the dominant allele completely masks the recessive allele, we talk about complete dominance.
This is the case of individuals that are heter0zyg0us for a particular gene and express the dominant trait. The dominant allele is hiding the expression of the recessive allele.
When you cross an individual who is h0m0zyg0us dominant with an individual who is h0m0zyg0us recessive, the whole progeny among the first generation -F1- will express the dominant phenotype since they are heter0zyg0us for this trait.
However, if you let individuals from the F1 cross with each other, the second generation -F2- will be composed of individuals expressing the dominant and the recessive phenotypes. This is because some individuals are h0m0zyg0us recessive and can express the recessive trait.
According to this information, and based on the attached flowchart, we can assume that,
Parentals ⇒ A (gray square) and B (white square)F1 ⇒ C (gray square)F2 ⇒ D (gray square) and E (white square)Since the F1 is completely gray, we can assume this color identifies the dominant phenotype (green pods).
The cross was performed between plants with yellow and green pods, so they must be h0m0zyg0us individuals (dominant and recessive) and the whole F1 must be heter0zyg0us for the trait. So,
A ⇒ h0m0zyg0us dominant because it is gray ⇒ green pods
B ⇒ h0m0zyg0us recessive because it is white ⇒ yellow pods
C ⇒ heter0zyg0us because it is gray and the product of A x B ⇒ green pods
Now, the F2 is composed of D and E which represent plants with yellow and green pods. This means that there are h0m0zyg0us recessive individuals, and the recessive trait -yellow pods- can be expressed again among the second generation.
D ⇒ h0m0zyg0us dominant and heter0zyg0us ⇒ green pods (gray square)
E ⇒ h0m0zyg0us recessive ⇒ yellow pods (white square)
Now, the phrase "Green pods" should appear i all gray squares. These are A, C, and D.
Option C is correct. A, C, and D only.
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Answer:
C) A, C, and D.
Explanation: