About 60% of the World's Population Live in Countries Where

question 22

True/False

About 60% of the world's population live in countries where women have at least 4 children on average.

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Definitions:

Three-Spined Stickleback

A small fish species used extensively in evolutionary biology to study adaptation and speciation.

Benthic Morph

A form or variant of an organism adapted to living on the bottom of aquatic environments, like ocean floors.

Limnetic Morph

A type of fish adapted to living in the open water zone of freshwater habitats, distinct from those living near the bottom or shores.

Reproductive Isolating Barriers

Biological features of organisms that prevent species from interbreeding and producing fertile offspring.