In Some Plants, the Sperm Can Not Reach the Egg

question 39

Multiple Choice

In some plants, the sperm can not reach the egg because the stigma prevents formation of the pollen tubes. This is an example of

• A) temporal isolation.
• B) behavioral isolation.
• C) gametic isolation.
• D) mechanical isolation.

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Definitions:

Ectoparasites

Parasites that live on the external surface of a host, such as lice or fleas, often causing irritation, disease, or other health issues.

Reciprocity

A social exchange principle where benefits are returned by those who receive them, fostering mutual cooperation.

Vampire Bats

Species of bats known for their unique feeding habit of consuming blood from other animals.

Communal Roost

A shared resting or sleeping location used by a group of animals, typically for protection and social purposes.