In Laboratory Experiments, Short-Lived Nematodes Outcompete Long-Lived Nematodes

question 4

Multiple Choice

In laboratory experiments, short-lived nematodes outcompete long-lived nematodes. This provides evidence that

• A) natural selection does not favor long life for long life's sake.
• B) longevity-extending mutations lower early reproductive fitness.
• C) natural selection favors longer lived organisms.
• D) a and b
• E) a, b, and c

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Definitions:

Physical Punishment

The use of physical force with the intention of causing a child to experience pain, but not injury, for the purpose of correction or control.

Operant Behaviour

A type of learning where behavior is controlled by consequences (reinforcements or punishments).

Conditional Response

A learned response to a previously neutral stimulus that becomes conditioned through association with an unconditioned stimulus.

Primary Reinforcer

A stimulus that satisfies a biological need, inherently reinforcing without prior learning.