You find some rather strange plants in your backyard. They consist only of thin, pale yellow stems that are wrapped around other species of plants growing nearby. You experiment by unwrapping some of the strange yellow plants and planting half of them alone in pots of soil and half in pots with other plants from your yard. You water and fertilize both sets of pots, but after a few weeks you find that the yellow plants that were potted alone have died, while those potted with other plants are thriving. What term would you use to describe the strange yellow plants?
A. asexual
B. holoparasitic
C. monophagous
D. aposematic
E. hemiparasitic
B. holoparasitic
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In a chemical equation, which components of a chemical reaction are found on the left side of the arrows?
A. solvents B. reagents C. reactants D. products E. buffers
In the accompanying figure, label A represents:a
resting state.
b. repolarization c. threshold level. d. equilibrium potential. e. hyperpolarization.
Whales have truly large body sizes. The only invertebrates that attain body sizes much larger than humans are giant squids. What feature do whales and giant squids share that allow them to attain such large sizes?
A. Large brains B. Highly efficient gills C. Endothermy D. Internal skeletons
From an evolutionary perspective, why is sexual reproduction advantageous over asexual reproduction?
A) Sexual reproduction produces less genetic diversity than asexual reproduction. B) Asexual reproduction minimizes differences, so natural selection can act more easily. C) Sexual reproduction is faster and easier than asexual reproduction. D) Sexual reproduction produces greater genetic diversity than asexual reproduction.