How Are Pollen Species Used to Interpret Ancient Environments

question 28

Multiple Choice

How are pollen species used to interpret ancient environments?

• A) Each plant species is found in many different climates.
• B) Different plant species live in different climates.
• C) The ratio of oxygen isotopes can be measured in pollen.
• D) Specific plant species directly track the carbon dioxide concentration in the atmosphere.

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Definitions:

Colostrum

The first form of milk produced by mammalian mothers shortly after giving birth, rich in antibodies.

Breast Milk

The milk produced by human breasts or the mammary glands for nourishing babies, rich in nutrients and antibodies.

Gravida

A term used in obstetrics to refer to a pregnant woman, typically followed by a number indicating the number of pregnancies.

Stillbirths

The birth of a baby who has died in the womb after 20 weeks of pregnancy, distinguished from miscarriage, which occurs earlier.