The Birth of the Solar System Occurred ________

question 93

Multiple Choice

The birth of the solar system occurred ________.

• A) about 500 million years ago
• B) about 5 billion years ago
• C) about 40 billion years ago
• D) about 500 billion years ago
• E) about 5 million years ago

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Definitions:

Testes

Male gonads that produce sperm and the male sex hormones.

Scrotum

Saclike structure of a male that houses the testes.

Sperm Duct

Also known as the vas deferens, it is a tube that carries sperm from the epididymis to the ejaculatory ducts in anticipation of ejaculation.

Testes

The male reproductive organs that produce sperm and hormones, primarily testosterone.