Which best describes the ecosystems on Earth? A. Earth has mostly rain forest ecosystems.
B. Separate ecosystems can affect each other.
C. There are very few types of ecosystems on Earth.
D. Ecosystems do not interact with each other.

Which of the following is not an example of conflict between related individuals?

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.