Which statement below about mating behavior is correct?

A) Some aspects of courtship behavior may have evolved from agonistic interactions.

B) The degree to which evolution affects mating relationships depends on the degree of prenatal and postnatal input the parents are required to make.

C) The mating relationship in most mammals is monogamous, to ensure the reproductive success of the pair.

D) Polygamous relationships most often involve a single male and many females, but in some species this is reversed

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#Question id: 5084

#Unit 5. Developmental Biology

The first cavity formed during frog development is the ________.

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#Question id: 4208

#Unit 3. Fundamental Processes

Tryptophan synthesis is controlled by a repressor protein which is activated by a corepressor which is

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#Question id: 1355

#Unit 4. Cell Communication and Cell Signaling

To which category of proteins listed below are NCAM and VCAM most closely related?

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#Question id: 31411

#Unit 7. System Physiology – Animal

Which phase of the nerve action potential is responsible for propagation of the action potential to neighboring sites?

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#Question id: 29552

#Unit 6. System Physiology – Plant

There are statement are given regarding the Plant pathogens groups   

a. derive energy from living cells, found on living plant have complex nutrition and do not kill host plants rapidly

b. derive energy from killed cells; they invade and kill plant tissue rapidly and then live saprotrophically on the dead remains

c. initially invading cells that are maintained alive prior to a transition to a necrotrophic life style in which nutrients are obtained from killing host cells

Choose which of the following is correctly defining the groups