Flowers:
a. Are structures of plants that are only ornamental and have no reproductive value in plants
b. Produce both pollen and egg cells
c. Produce pollen only
d. Produce egg cells only
e. Are produced by both gymnosperms and angiosperms
Answer: b. Produce both pollen and egg cells
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Based on the distribution of vascular bundles, image B, shows the root of an eudicot plant
1.True
2.False
Gram staining divides bacteria into __________
groups based on differences in the composition of their __________. a. two; DNA b. four; capsules c. two; cell walls d. four; cell walls e. two; plasma membranes
Select all of the endocrine glands that secrete lipid-soluble hormones.
To understand the evolution of quantitative phenotypes in wild populations one must:
a. know the broad-sense heritability. b. know the narrow-sense heritability. c. bring the organism into the lab. d. make controlled crosses. e. None of the above.