When an owl catches and kills a mouse for food, the owl is

a) a scavenger
b) a predator
c) prey
d) a parasite


Ans: b) a predator

Biology & Microbiology

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Examine the flux diagrams in Figure 25.6 to address the following questions

Based on these calculations, burning fossil fuels results in [smaller / larger] inputs of atmospheric carbon than the net exchange of atmospheric carbon resulting from natural biological processes. What will be an ideal response?

Biology & Microbiology

What process is responsible for the maintenance of blood glucose levels by the liver?

A) diabetes B) thermoregulation C) positive feedback D) negative feedback

Biology & Microbiology

The hallmark characteristic of the hominids leading to humans was the development of

A. an opposable thumb. B. the ability to care for young. C. bipedalism. D. a varied diet.

Biology & Microbiology

Which hominin was the first to leave Africa? (hint: make sure to know why the others are important as well)

A. Neandertals B. Homo erectus C. Australopithecus afarensis D. Homo habilis

Biology & Microbiology