A Grassland Ecosystem Has 400,000 Kcal of Energy Stored in the Primary

question 66

Multiple Choice

A grassland ecosystem has 400,000 kcal of energy stored in the primary producer level.Grasshoppers eat the grass,meadowlarks eat the grasshoppers,and a hawk eats the meadowlarks.How many kcals are now stored,and available,in the hawk?

• A) 40,000
• B) 4,000
• C) 400
• D) 40

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Definitions:

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that inhibits nerve transmission, playing a key role in reducing neuronal excitability throughout the nervous system.

Chemoreceptors

Sensory receptors in organisms that detect chemical stimuli in the environment, playing a key role in taste and smell.

Gustation

The sense of taste, or the act of discerning flavors through receptors in the mouth.

Olfaction

The sense of smell, a chemical sense in which odorants are detected by olfactory receptors.