When plants first colonized land, the space they occupied was two-dimensional: the surface of the land. Which adaptation allowed plants to occupy a three-dimensional environment?

A) double fertilization
B) seeds
C) vascular system
D) flowers


C

Biology & Microbiology

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What would be the predicted outcome for a person having eyes that lack a lens but are otherwise fully

functional?

a. They would be totally blind. b. They would be able to perceive light and even respond to different light intensities, but that is all. c. They would be able to perceive light and even colors (solid color over a large area), but not details. d. They would be able to see some details and read print, but only if the text were written in large, black letters. e. They would have normal vision if given glasses.

Biology & Microbiology

Which of the following is incorrect concerning

Radiolarians? a. They have perforated shells of calcium carbonate. b. They form part of the plankton. c. They use pseudopods for feeding. d. They have vacuoles that impart buoyancy. e. They are heterotrophic protists

Biology & Microbiology

Evolutionary shifts in the relative rates and timing of developmental events are known as ________

Fill in the blank(s) with correct word

Biology & Microbiology

The manufacture of proteins from RNA and amino acids is referred to as

A) replication. B) activation. C) transcription. D) translation. E) transformation.

Biology & Microbiology