Question: Choose your answer.

Natural selection is a mechanism that acts on individuals within a population. Which is a result of the process of natural selection?
My Answer: Organisms are better adapted to their environment.

Question: Choose your answer.

Fossil records indicate that Earth was first inhabited by bacteria-like organisms. These organisms
My Answer: were single-celled.

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When a tree suffers from a decreased ability to transport materials within the phloem, what is directly impacted?
My Answer: flow of necessary nutrients

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According to the endosymbiotic theory, double-membrane mitochondria originated as a result of some larger eukaryotic cells with flexible membranes engulfing smaller prokaryotic cells. Which of these explains where the outer layer of the double membrane of the mitochondria originated?
My Answer:
the plasma membrane of the eukaryotic host