Which of the following is a key feature of primates?
A. They have a brain that is large in relation to their body.
B. They have mammary glands.
C. They are endotherms.
D. They give birth to live young.
Answer: A
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In the experiment studying bioluminescence and the predation of copepods by fish, a control group of jars with bioluminescent dinoflagellates experienced a higher predation rate of copepods by stickleback fish than in the jars with nonbioluminescent dinoflagellates. This provided significant evidence that
A. All of the answer choices are correct. B. natural selection has favored the survival of dinoflagellates that can emit light in flashes when disturbed. C. copepods that would eat dinoflagellates benefit from fleeing when the protists bioluminesce. D. dinoflagellates can avoid being eaten by increasing the flashing, and attracting predators to eat the copepods near them. E. natural selection has favored the survival of copepods that move rapidly away from flashing bioluminescent dinoflagellates.
The heart condition caused by Lyme disease infection is ____
a. endocarditis b. tachycardia c. myocarditis d. “blue babies” e. rheumatic fever
Chemoautotrophs are the dominant primary producers in oxygen-deficient environments, such as the hydrothermal vents of the deep ocean floor
Indicate whether the statement is true or false
Quorum sensing in Gram-positive bacteria generally involves the use of ________ as the external signaling molecules.
Fill in the blank(s) with the appropriate word(s).