Which of these is a defining characteristic of animals that distinguishes them from other eukaryotes?
A) Animals are multicellular.
B) Animals ingest food.
C) Animals are heterotrophs.
D) Animals use photosynthesis.
B
Biology & Microbiology
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Refer to Figure 46-2. Which of these lungs would be found in reptiles?
a. 1 only
b. 2 only
c. 3 only
d. 4 only
e. both 1 and 2
Biology & Microbiology
Male gamete having a haploid number of chromosomes and the ability to fertilize an egg, the female gamete.
What will be an ideal response?
Biology & Microbiology
Membrane proteins perform all of the following functions except
A) receptors. B) transporters. C) enzymes. D) blocks. E) anchors.
Biology & Microbiology
The Calvin cycle produces ________, not __________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology