The vast majority of animals are:

a. mammals
b. invertebrates
c. vertebrates
d. birds
e. predators


b

Biology & Microbiology

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The difference between results from the subset and

results from the whole is a. the variable. b. sampling error c. the prediction. d. the control. e/ the hypothesis.

Biology & Microbiology

Phylogenetic trees are usually constructed using either a distance-based ________ approach, or a characteristic ________ approach. 

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Once dissolved in water, the CO2 molecule reacts with water to form ________

Fill in the blank(s) with correct word

Biology & Microbiology

Which mammalian lineage has two species of spiny anteaters (echidnas) and the duck-billed platypus as the only known living members?

a. Marsupialia b. Monotremata c. Strepsirhini d. Rodentia

Biology & Microbiology