The interaction of suspension and deposit feeders in muddy areas
a. is an example of mutualism.
b. is an example of interference when sediment particles from deposit feeders' activity clogs suspension feeders' ability to feed and exchanges gases.
c. demonstrates that deposit feeders can outcompete suspension feeders.
d. demonstrates that suspension feeders outcompete deposit feeders.
e. is an example of a keystone predator.
B
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A person with type B blood could safely receive a transfusion of blood from someone with blood type
A) B. B) AB. C) O. D) Both A and C E) Any of these
Root hairs absorb nutrients from soil against the nutrient concentration gradient. To achieve this, root hairs use _____.
a. proton pumps b. facilitated diffusion c. direct diffusion d. osmosis
Which Process of Development involves cells taking on a specific structure and function?
a. cleavage b. growth c. morphogenesis d. differentiation
You are a paleontologist trying to find fossils that represent intermediate forms in an evolutionary transition. Which of the following pieces of information could help you identify a geological formation for your search?
a. Based on the fossil record the evolutionary transition must have taken place 210 to 230 million years ago. b. Transitional fossils likely had long spines. c. The organisms' hard shells would have made fossilization likely. d. The transition is predicted to have taken place in shallow inland seas. e. A and D.