After Much Study,ecologists Have Come to the Conclusion That Competitive

question 31

Multiple Choice

After much study,ecologists have come to the conclusion that competitive exclusion:

• A)occurs rather frequently in nature
• B)occurs more frequently on islands than on the mainland
• C)occurs more frequently in tropical habitats than temperate ones
• D)occurs very rarely in nature

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Definitions:

Pregnant

A condition where a female is carrying a developing embryo or fetus within her uterus.

Twins

Two offspring produced by the same pregnancy, which can be identical (monozygotic) or fraternal (dizygotic).

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.

Chromosomes

Structures located within the nucleus of a cell, composed of DNA and proteins, that carry genetic information in the form of genes.