The process of turning solar energy into chemical energy by plants:
a. photosynthesis
b. respiration
c. fermentation
Ans: a. photosynthesis
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You give up on the garden and ignore it for a third summer. You notice that two small birch trees sprout and begin to grow among the sunflowers
The birch trees are slower growers than the sunflowers, but by the fifth summer they start to shade the sunflowers. The birch trees and the sunflowers are in competition for: A. water. B. light. C. nutrients. D. All of the responses are correct. E. None of the responses is correct because competition only occurs between members of the same species.
. One of the advantages of PCR is the ability to ____
a. sequence DNA b. transcribe DNA into mRNA transcripts c. make millions of copies of the entire genome d. double the amount of a rare DNA sequence e. make millions of copies of a rare DNA sequence
A rabbit population consists of animals that are either very dark on top or very light on top. The color pattern is not related to sex. No rabbit shows intermediate coloration (medium darkness). This pattern might result from
A) disruptive selection. B) directional selection. C) stabilizing selection. D) sexual selection.
Haemophilus ducreyi is transmitted by sexual contact
Indicate whether the statement is true or false