Torpor during the summer is called estivation
Indicate whether the statement is true or false.
T
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As the number of angiosperm species rose, what happened to the number of species of most other groups of land plants?
A. They increased. B. They decreased. C. They stayed roughly the same.
Recent studies on the evolutionary divergence of seed plants from seedless vascular plants used the genome of a ____,
a lycophyte, as a comparison for genomes of the more derived land plants.
a. numerous, large apical cells on the edges of their fronds b. single, large apical cell on the tip of their fronds c. single, large apical cell at the tip of their apical meristems d. numerous, small apical cells at the base of their apical meristems e. single, small apical cell at the base of their apical meristems
For a typical flowering plant, the first cell of the triploid (3n) endosperm is formed from ____
a. one sperm fused with two antipodal cells b. two sperm fused with the egg c. one sperm fused with the synergid d. one sperm fused with the endosperm mother cell e. two sperm fused with a synergid
The ________ is a shield-shaped endocrine structure in the front of the neck
Fill in the blank(s) with correct word