If a Plant Species Grows Where No Life Existed Before,this

question 37

Multiple Choice

If a plant species grows where no life existed before,this is a:

• A)primary succession
• B)pioneering succession
• C)biotic creation
• D)secondary succession

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Definitions:

Sex Chromosomes

The chromosomes (X and Y) responsible for determining the biological sex of an organism.

Spermarche

The beginning of development of sperm in boys’ testicles at puberty, marking the onset of adolescent fertility.

Testes

The male reproductive glands that produce sperm and the hormone testosterone.

XY

A chromosomal designation for male sex in many organisms, including humans, where males typically have one X and one Y chromosome.