Which trophic level does a fish represent in food chain?

Algae-> mosquito larva->dragonfly larve-> fish-> man

A

Tertiary

B

Secondary

C

Detritus

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Matching the following terms and definitions. 1. adaptive radiation a theory of evolution that states that a species evolves in spurts of rapid change and then no change 2.

Which of the following is not a common atmospheric pollutant? a. carbon monoxide b. sulfur oxides c. water d. nitrogen oxides

Most caves and caverns originate by solution of limestone. a. true b. false

Which genes would a crop scientist most likely insert into a crop to protect it from droughts and insects?

The hearing receptors are most closely associated with the

What percentage of water is lost through the respiratory system? 5 to 10 percent 10 to 20 percent 35 to 50 percent 50 to 75 percent

HURRY! The cell membrane is selectively permeable because of its molecular structure. Based on this, which one of these would NOT diffuse directly through the cell membrane?

What is the net force on 2-kg skateboard accelerating at a rate of 2m/s2?

Which of the following is one effect storm waves have on a beach?