Several Species of Sea Urchins May Inhabit the Same Tide

question 50

Multiple Choice

Several species of sea urchins may inhabit the same tide pool and their reproductive periods overlap.Although they practice external fertilization,they seldom interbreed because eggs produce chemicals that are only attractive to sperm of their own species.This is an example of a _________ barrier involving ________________.

• A)prezygotic;geographic isolation
• B)prezygotic;temporal isolation
• C)prezygotic;gametic isolation
• D)postzygotic;gametic isolation
• E)postzygotic;hybrid infertility

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Definitions:

Milgram Experiment

A psychological experiment conducted by Stanley Milgram in the 1960s to study obedience to authority, where participants were instructed to administer electric shocks to another person.

Stanford University Prison Experiment

A psychological study conducted by Philip Zimbardo in 1971 at Stanford University, where students were assigned roles of prisoners and guards to explore the effects of perceived power.

Generalization

Drawing a conclusion about a certain characteristic of a population based on a sample from it.

Logical Support

The provision of reasons or evidence to justify a claim or argument.