Australia Has a Unique Flora and Fauna Because

question 124

Multiple Choice

Australia has a unique flora and fauna because

• A)the aborigines selectively bred many of the plant and animal species now found there.
• B)Australia has been isolated from other continents for tens of millions of years and,because of this,life has developed along different evolutionary paths.
• C)as sea levels have risen and fallen it has had a land bridge connecting it to the mainland off and on.
• D)unlike other continents it has only one climate.
• E)it has not experienced any invasive species crises.

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Definitions:

Systolic Pressure

The top number in a blood pressure reading, representing the maximum pressure your heart exerts while beating.

Diastolic Pressure

The pressure in the arteries when the heart rests between beats, representing the lower value in blood pressure readings.

Pulse Rate

The number of heartbeats per minute, indicative of heart rate and cardiovascular health.

Gravity

The natural force of attraction exerted by a celestial body, such as Earth, on objects or particles, drawing them toward its center.