What body feature is most responsible for freeing vertebrates from dependence on watery habitats?

a. lungs
b. paired appendages
c. shelled, amniote eggs
d. a four-chambered heart
e. fur


c

Biology & Microbiology

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Molecules made primarily of carbon and hydrogen are called hydrocarbons. How many hydrogen atoms are present in each of the following molecules? A hydrocarbon chain of five carbon atoms with two double bond and two single bonds?

A. 6 B. 8 C. 10 D. 12

Biology & Microbiology

What is the function of dispersed repeated sequences such as SINEs and LINEs in eukaryotes?

What will be an ideal response?

Biology & Microbiology

__________ are heterotrophs that grow as a mesh of absorptive filaments. Some are plant pathogens.

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

Biology & Microbiology

Two loci evolving together as if they are a single locus is called

a. gene clustering. b. concerted evolution. c. gene duplication. d. coevolution. e. unequal crossing-over.

Biology & Microbiology