Naked mole rats live in underground colonies and are very inbred; there is typically no
interaction between different colonies or populations. However, every now and again, a
“disperser morph” is produced, and this animal eventually leaves his birth colony and finds a
different colony where he will likely mate with the queen. This is an example of
a. mutation.
b. gene flow.
c. evolution.
d. meiosis
B
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The accompanying figure illustrates a ____
a. book lung b. tracheal system c. set of gills d. lung micrograph e. circulatory system
Suppose you are studying photosynthesis in a research lab. You grow your plants in a chamber with a source of water that has a radioactively labeled oxygen atom. What photosynthetic product will be radioactive?
A) NADPH B) CO2 gas C) ATP D) Glucose E) O2 gas
Vampire squid (Vampyroteuthisinfernalis) are deep-sea cephalopods with features similar to both octopus and squid. Extensive video recordings show the diet of the vampire squid consists of items like crustacean remains and fecal pellets. Which of the following terms describes the position of the vampire squid in the deep-sea trophic pyramid?
A. secondary carnivore B. primary producer C. detritivore D. herbivore E. primary carnivore
Which of the following is a character in
phylogeny? a. number of digits b. DNA sequence for a gene c. amino acid sequence of an enzyme d. number of petals e. all of these