A food chain is a series of organisms that

A. shares the same energy source.
B. successively eats one another.
C. shares the same niche.
D. exhibits mutualism with each other.
E. succeeds one another as a climax community develops.


B. successively eats one another.

Biology & Microbiology

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Which protective structure forms to protect certain bacteria during periods of harsh conditions?

A. Biofilm B. Capsule C. Flagella D. Endospore

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Which of the following are types of symbioses? Check all that apply.  

_____  Batesian mimicry _____  commensalism _____  predation _____  parasitism _____  mutualism _____  Müllerian mimicry

Biology & Microbiology

Oxidation of nutrients by cells results in

A) a release of energy, which is released by converting ATP to ADP. B) a requirement for energy which can be used to recharge ADP to ATP. C) a requirement of energy which can be obtained by converting ATP to ADP. D) a release of energy, which can be used to recharge ADP to ATP. E) either a release or a requirement for energy depending on what type of nutrient is available.

Biology & Microbiology

Which of the following would be an expectation of a stable hybrid zone in which hybrids are less fit than individuals of either parental species?

a. The two species will eventually fuse. b. The hybrid zone is relatively narrow. c. Gene flow will increase. d. The width of the hybrid zone will increase. e. One of the species will go extinct.

Biology & Microbiology