Which phyla are classified in the Deuterostomia?
A. Annelida and Mollusca
B. Mollusca and Chordata
C. Echinodermata and Chordata
D. Chordata and Vertebrata
E. Arthropoda and Vertebrata
Answer: C
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Recall that angiosperms spend a great deal of energy and resources attracting pollinators. What are some of the methods flowers use to lure pollinators? Select all correct choices
A. Flowers can mimic females of an insect species (both in appearance and pheromones). B. Flowers can be brightly colored and produce nectar. C. Flowers can produce chemicals insects use to synthesize pheromones. D. Flowers can produce scents similar to those emitted by dung or animal carcasses.
For which of the following diseases would animal models likely yield the most information?
A. Alcoholism D. Huntington disease B. Schizophrenia E. PKU C. Bipolar disorder
What causes the reproductive isolation that can lead to speciation?
A) Members of one group don't want to mate with other groups. B) Members of one group are unable to make fertile offspring with other groups. C) A group is extinct. D) Some members of a group are sterile.
Osmosis is the diffusion of water across a membrane in response to the concentration of one or more of the ________.
A. membranes B. compartments C. cells D. solutes