The Carboniferous Period is known for
A. Rich coal deposits found in rocks of this age.
B. The first examples of gymnosperms on land.
C. The first angiosperms developed.
D. The carboniferous explosion of marine invertebrates; sea urchins, arthropods, and crustaceans.
E. The appearance of reptiles and large mammals.
A. Rich coal deposits found in rocks of this age.
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________ uses the unique banding patterns of a chromosome to determine the general location of a gene
A. Physical mapping B. Cytogenetic mapping C. Linkage mapping
The process by which successful traits become more common in subsequent generations is called ____
a. speciation b. mutation c. natural selection d. genetic drift
e. gene flowWhat is the collective name for the epicotyl, shoot apical meristem, and young leaves?
a. coleptile b. radicle c. plumule d. hypocotyl
Nerve impulses coming into the spinal cord enter via ____
a. intervertebral disks b. neuroglia c. the dorsal roots d. Broca's area e. ventral roots