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BIO REVIEW – 04 | Questions And Answers Latest {} A+ Graded | 100% Verified
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BIO REVIEW – 04 | Questions And Answers Latest {} A+ Graded | 100% Verified
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BIO REVIEW – 04 | Questions And Answers Latest {2024- 2025} A+ Graded | 100%Verified
The smallest unit of matter that can enter into a chemical combination is a(n)? - atom
The great diversity of life forms is the result of?
a. adaptations to different environments.
b. descent from a common ancestor.
c. Both - c. Both
The first step in the scientific method is?
a. make conclusions
b. make observations and consider previous data.
c. formulate hypothesis.
d. test a related hypothesis. - b. make observations and consider previous data.
Which of the following statements best represent the role of mutations in natural selection?
a. during the process of natural selection, mutations decrease the odds of having variable genes.
b. the selective (mutating) agent must be a variable manually determined by the organism or
surrounding organisms.
c. Mutations fuel natural selection through the introduction of variable genes capable of being passed to
new generations through reproduction.
d. Mutations primarily will stop the new trait from being passed to new generations. - c. Mutations fuel
natural selection through the introduction of variable genes capable of being passed to new generations
through reproduction.
Why is water a polar molecule? - the oxygen atom has more electronegativity than the hydrogen atoms
What are buffers? - A buffer is a chemical that keeps pH steady and within normal limits in living
organisms.
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