Birds are different from all other living vertebrates because they:
A. can fly
B. lack teeth
C. have feathers
D. are bipedal
E. All of the choices provided are correct
C. have feathers
Biology & Microbiology
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A solution with a pH of 2 has how many more protons in it than a solution with a pH of 4?
A. 100 times more B. 5 times more. C. 1000 times more. D. 10 times more.
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The zygote produces haploid cells by ________
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Seed-producing plants first evolved ____
a. on land b. in freshwater c. in the ocean d. in estuaries e. from red algae ancestors.
Biology & Microbiology
Within the CNS, groups of neuronal cell bodies that are clustered together to perform basic functions are termed
A. soma. B. nuclei. C. spinal cords. D. nerve nets. E. ganglia.
Biology & Microbiology