Angiosperms that have only one embryonic seed leaf are called:
A. eudicots.
B. gnetophytes.
C. ginkos.
D. monocots.
E. bryophytes.
D
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The effect of each dominant allele of a complex trait is ____________________ and _______________
Fill in the blank(s) with correct word
Sensory information is acted upon by the ____, which sends signals to muscles and glands to effect a response
a. skin b. ears c. intestinal organs d. brain e. heart
What is the process that Darwin described as "descent with modification?"
A. The characteristics of a species may change from generation to generation. B. Characteristics can be directly transferred between species. C. Only related species show similar characteristics. D. Species are related by common ancestry.
The common childhood illness called "hand-foot-and-mouth disease" because it causes lesions in these areas is caused by
A) an echoviruse. B) a rhinoviruse. C) a strain of coxsackie A virus. D) a strain of coxsackie B virus. E) the rubella virus.