What is the key adaptation of angiosperms that allowed these plants to dominate the landscape?

A. Cones
B. Cotyledons
C. Spores
D. Flowers


Answer: D

Biology & Microbiology

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The skin of the subclass Chondrosti is covered with scales called:

a. placoid. b. cycloid. c. stenoid. d. ganoid. e. rhomboid.

Biology & Microbiology

The result of natural selection is changes in

a. individuals. b. populations. c. kingdoms. d. phyla. e. animals only

Biology & Microbiology

When a farmer grows cotton containing the gene for Bt toxin, insects that are resistant (rr) survive and reproduce. This is an example of Select one:

a. natural selection. b. dominance. c. independent assortment. d. recombination. e. genetic drift.

Biology & Microbiology

The Calvin cycle reactions

a. produce carbohydrate. b. convert one form of chemical energy into a different form of chemical energy. c. regenerate more RuBP. d. use the products of the light reactions. e. All of these are correct.

Biology & Microbiology