Not all plants have seeds. What main advantage do seeds provide a plant?
A. Seeds allow plants to produce needles.
B. Seeds allow plants to grow tall.
C. Seeds allow plants to be independent of water for reproduction.
D. Seeds allow plants to alternate generations.
Answer: C
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You have been using massive amounts of weed killer and insecticide to kill weeds in your yard, as well as the grubs and aphids that are munching on your roses and your grass. What effect might this have from a microbiological standpoint?
A. Loss of microbial diversity in the soil B. Damage to the mycorrhizae C. Reduction in microbial numbers in the soil D. Damage to the nitrogen fixing bacteria E. All of the above may be effects of this practice.
When a reaction reaches equilibrium,
a. there is no longer entropy in the system. b. the chemical reactions cease. c. the rate of the forward and reverse reactions are equal. d. the concentration of reactants equals the concentration of products. e. ATP is no longer required to drive the reaction.
What does Arthropod mean?
a. Multiple legs b. Ten footed c. Different stages of development d. Hard external skeleton e. Jointed leg
In photosynthesis, when does the release of oxygen occur?
a) When photolysis occurs in the light reactions b) When carbon dioxide combines with ribulose-1, 5-bisphosphate (RuBP) c) During photophsphorylation d) When NADPH and ATP are fed into the Calvin Cycle