A population of worms is growing exponentially in a compost heap. Thirty days ago there were 400 worms and now there are 800 . How many worms will there be thirty days from now, assuming conditions remain constant?
What will be an ideal response?
1600
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The complete set of proteins present in a cell under a given set of conditions is a:
A. transcriptome. B. proteome. C. proteasome. D. translatome. E. phenosome.
In comparison to rocky coasts, intertidal organisms living on sandy or muddy beaches
A) experience greater variability in salinity. B) experience greater variability in temperature. C) are more likely to be attached to the substrate. D) are more likely to move back and forth with the tides.
Which of the following is not a piece of evidence that supports the theory of evolution?
A. Changes in the genetic makeup of an individual organism have no influence on evolution. B. Different populations of the same species show adaptations suitable for their local conditions. C. Changes in the characteristics displayed by species can be linked to environmental changes. D. Selective breeding of domesticated plants and animals indicates that the shape, color, behavior, metabolism, etc., of organisms can be selected for.
Bacterial endosymbionts have lost much of their genome and are dependent upon their aphid hosts for survival. Similarly, the aphids depend on the endosymbiotic bacteria for the supply of amino acids that they provide. This interdependence is the result of
A. coevolution. B. amensalism. C. syntrophy. D. microbial antagonism.