During embryonic development, all chordates have a ________ nerve cord
Fill in the blank(s) with correct word
dorsal
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The proposal that one type of organism can change gradually into another type over a long period of time is known as:
A. preconception. B. preservation. C. natural history. D. evolution.
How could a plant adapt to reduced sunlight in a dense forest?
a. The plant could cling to trees and grow upward. b. The plant could develop broader leaves. c. The plant could develop more roots. d. Both (a) and (b) are correct
Which of the following is the correct order of
taxa from most inclusive to least inclusive?
a. domain, kingdom, phylum, class, order, family, genus, species b. domain, kingdom, phylum, order, class, family, genus, species c. domain, kingdom, phylum, family, order, class, genus, species d. domain, phylum, kingdom, class, order, family, genus, species e. domain, kingdom, order, class, phylum, family, genus, species
Antibodies are
a. proteins. b. steroids. c. polysaccharides. d. lipoproteins. e. any of these.