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Biology

Biology
In 1610, who made microscope and used it to observe very small animals?

Galilo
Aristotle
Laveran
Robert Hooke

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Biology
Homeostasis is the condition in which the body maintains

A changing state within an unlimited range
A relatively stable internal environment within limits
A static state with no deviation from preset points
The lowest possible energy usage

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Biology
The right portion of human heart receives ________ blood.

None
Impure
Mixed
Pure

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Biology
________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

Parasitism
Predation
Commensalism
Competition

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Biology
The process of evaporation occurs from

Entire 'plants' surface
Stem
Root
Leaf

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Biology
Norepinephrine increases

respiration
blood pressure
urine production
saliva production

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