If a Child Is Born with Stunted Arms and Legs

question 23

Multiple Choice

If a child is born with stunted arms and legs, what may have happened?

• A) The fetus was exposed to a significant teratogen between the 4th and 8th weeks after conception.
• B) The mother must have ingested alcohol at least once during the pregnancy.
• C) The fetus was exposed to a teratogen during the third trimester.
• D) The amniotic fluid was infected with some kind of virus.

Identify and understand key factors influencing population dynamics.

Differentiate between density-dependent and density-independent factors affecting populations.

Recognize and describe the types of competition within populations.

Explain the concepts of people overpopulation and consumption overpopulation.

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Definitions:

Endocrine Glands

Organs that secrete hormones directly into the bloodstream to regulate various functions in the body.

Gonads

The reproductive organs in animals and humans that produce gametes; ovaries in females and testes in males.

Pituitary Glands

Small endocrine glands at the base of the brain that regulate growth, metabolism, and reproductive functions.

Neural Connections

The links between neurons in the brain that are created through synapses, allowing for the transmission of signals.