If all of the stomata in a plant were to close, what would happen to transpiration?
1) Transpiration would decrease
2) Transpiration would increase
3) Transpiration would not be affected
Transpiration would decrease
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A pied kingfisher in its first year of life helps in the feeding of three full siblings who would not have made it without the helper's efforts
In this first year the bird does not raise any of its own offspring. In the second year of its life the pied kingfisher mates and raises two of its own offspring. After the first two years, what is the inclusive fitness of the pied kingfisher? A) 0.75 B) 1.50 C) 2.50 D) 3.00
What do we call a sequence located upstream, downstream, within the coding region, or several thousand base pairs away from a gene that increases transcription?
a. promoter b. terminator c. enhancer d. repressor
Which of the following is not true of a codon?
A. It consists of three nucleotides. B. It is the basic unit of the genetic code. C. It extends from one end of a tRNA molecule. D. It may code for the same amino acid as another codon. E. It never codes for more than one amino acid.
What are Naegleria and Acanthamoeba's portal of entry?
A) Contaminated food or drinking water B) Contaminated swimming areas-lakes, ponds