Females almost always have a lower parental investment than males
Indicate whether the statement is true or false.
ANS: F, higher
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Capillary action is one of the forces that aids water's upward movement in plants. The narrower the diameter of the tube, the farther the water column will rise. Capillary action is a result of water molecules:
A. producing sufficient surface tension to overcome the pull of gravity. B. having a strong cohesive force and attaching to the surrounding vessel walls. C. storing heat and thus moving faster because of heat of vaporization. D. having an adhesive force, which allows them to attach to the vessel walls. E. being associated with hydrophobic molecules, which can result in upward movement.
Based on these data, do scorpions seem well adapted to chasing down their prey over long distances?
a. Yes b. No
In natural communities, some feedback mechanisms operate whenever populations change in size. They are
1.density-dependent factors. 2.density-independent factors. 3.always within the individuals of the community. 4.always outside the individuals of the community. 5.none of the choices
Which of the following correctly describes the locations of transcription and translation within a eukaryotic cell?
a. Both transcription and translation occur in the cytosol. b. DNA is transcribed in the nucleus, then the mRNA transcript is transported to the nucleosomes to be translated into protein. c. Both transcription and translation occur in the nucleus. d. DNA is transcribed in the cytosol, then the mRNA transcript is transported into the nucleus to be translated into protein. e. DNA is transcribed in the nucleus, then the mRNA transcript is transported to the cytosol to be translated into protein.