3. An animal population decreases from 800 individuals to 600 individuals. Which of the following could explain this change in population size?
A. The population size of the animal's predator increased.
B. The emigration rate of the animals from the population decreased.
C. The population size of the animal's prey increased.
D. The number of species competing with the animal for food decreased.
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Trilobal fibers were found on kidnapping victim. which of the following fibers would most likely to be trilobat? a. cotton b. nylon c. wool d. silk me

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

During convection, less dense fluid rises and denser fluid sinks.