At Higher and Higher Trophic Levels, There Are Usually ________

question 100

Multiple Choice

At higher and higher trophic levels, there are usually ________ and ________ animals.

• A) fewer; smaller
• B) fewer; larger
• C) more; smaller
• D) more; larger
• E) None of these is correct; there is no change in number or size.

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Definitions:

Rare Genetic Diseases

Disorders caused by changes in genes or chromosomes, often with low prevalence in the general population but with significant impacts on those affected.

Bottlenecks

Events that drastically reduce the size of a population, leading to loss of genetic variation and increasing the influence of genetic drift.

Inbreeding

The breeding or mating of closely related individuals, which can lead to an increased chance of offspring inheriting genetic disorders or traits.

Antagonistic Pleiotropy

A situation where a single gene controls for more than one trait, where at least one of these traits is beneficial to the organism's fitness and at least one is detrimental.