Gases enter and leave a mammal's body by diffusing across a:

a. membrane made up of multiple cell layers
b. hard exoskeleton
c. thin, moist membrane
d. set of gills
e. protective layer of thick cells


c

Biology & Microbiology

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Extensive irrigation may contribute to global climate change because it may cause droughts in some semi-arid regions of the world.

a. true b. false

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The first detailed and quantitative studies on inheritance were carried out by an Austrian monk named ________.

A. Darwin B. Mendel C. Mendeleev D. Benedict

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A plant's diploid form is called the ________; the haploid form is called the ________

A) sporophyte... pollen B) sporophyte... gametophyte C) gametophyte... sporophyte D) gametophyte... fruit

Biology & Microbiology

Derived character states shared by clade members are called

A. symplesiomorphies. B. ancestral traits. C. homoplasies. D. plesiomorphies. E. synapomorphies.

Biology & Microbiology