Plant tissue noted for storage, secretion, and
regeneration is
a. vascular cambium.
b. parenchyma.
c. collenchyma.
d. sclerenchyma.
e. none of these
B
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All viruses have genes encoding at least:
a. their coat proteins. b. enzymes required for nucleic acid replication. c. their coat proteins and enzymes required for nucleic acid replication. d. a plasma membrane. e. their coat proteins and a plasma membrane.
Genes that tend to be inherited together are said to be:
a. associated. b. related. c. similar. d. linked. e. alleles.
The brief length of time when mammals and birds learn the appearance of a parent is called:a
imprinting. b. habituation. c. classical conditioning. d. operant conditioning. e. insight learning.
During the spring, male sage grouse gather in an open area and strut about, erecting their feathers in a fanlike display. They also make booming sounds using their inflated air sacs. The function of this dance is to
A) frighten off smaller birds from the territory. B) select the showiest females and mate. C) attract the attention of females. D) imprint the younger male birds.