Which of the following is an example of a species with r-selected adaptations?
A. gorilla
B. blue whale
C. cockroaches
D. house fly
E. horse
Answer: D
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Which of the following has led to the
extinction of most of the Hawaiian honeycreeper species?
a. destruction of habitat b. introduction of new predators c. introduced diseases d. climate change e. all of these
Choose the letter of the best match from the following:A. Abscisic acidB. TrichomesC. AquaporinD. EndodermisE. StomaPore in plasma membrane that allows water movement.
Fill in the blank(s) with the appropriate word(s).
________ play a pivotal role in programmed cell death
A) Cyclins B) Telomeres C) Proto-oncogenes D) Oncogenes E) Telomerases
What does the presence of a tail in early human embryos and other chordates suggest about all chordates?
A) Chordates may eventually develop a tail when fully mature. B) Chordate embryos have greater mutation rates than other organisms. C) Chordates develop in a very different manner compared to other life forms. D) Chordates were derived from a common ancestor with this developmental pathway.