Sponges obtain food by ________
a. poisoning prey with a mixture of conotoxins
b. capturing prey with tentacles equipped with stinging nematocysts
c. trapping prey with the villi of collar cells
d. photosynthesis
c
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Which plant cell structure is comprised of approximately 300 chlorophyll molecules and about 40 carotenoid
pigments, organized together to optimize the capture of light energy?
a. reaction center b. chlorophyll c. antenna complex d. cytochrome complex e. stomata
The initial carrying capacity of an environment
is indicated by a. A. b. B. c. C. d. D. e. E.
How can a genetic map be used?
What will be an ideal response?
Which of the following is TRUE about human DNA?
a) Bacteria have far more non-coding regions in their DNA than humans. b) Human genes do not have non-coding regions of DNA within them. c) The genome size of an organism is a good measure of the complexity of that organism. d) A newt, onion, and amoeba all have smaller genomes than we humans have. e) More than 95% of our DNA is non-coding DNA.