Which of the following respiratory systems is NOT closely associated with the blood supply?

A) the lungs of a vertebrate
B) the gills of a fish
C) the tracheal system of an insect
D) the skin of an earthworm


Answer: C

Biology & Microbiology

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According to the fossil record, plants colonized terrestrial habitats _____

A) in conjunction with insects that pollinated them B) in conjunction with fungi that helped provide them with nutrients from the soil C) to escape abundant herbivores in the oceans D) only about 150 million years ago A) in conjunction with insects that pollinated them B) in conjunction with fungi that helped provide them with nutrients from the soil C) to escape abundant herbivores in the oceans D) only about 150 million years ago

Biology & Microbiology

Disturbances:

A. involve interactions such as competition and predation. B. affect populations differently according to their density. C. usually only affect one particular species in a community. D. are extremely rare. E. can influence the diversity of a species in a community.

Biology & Microbiology

Which gene determines the feeding behavior of fruit fly larvae?

A. Sitters B. Rovers C. Kinesis D. Foraging E. AVP gene

Biology & Microbiology

Movement of molecules or ions from a region of higher to lower concentration; it requires no energy and tends to lead to an equal distribution (equilibrium).

What will be an ideal response?

Biology & Microbiology