A group of population members all of the same age is called a ________.
A. deme
B. species
C. tribe
D. cohort
Answer: D
You might also like to view...
Algal blooms result when unusually high amounts of nutrients enter the sea from:
a. runoff from land. b. leaching from marine sediments. c. direct intentional dumping. d. input from wind. e. shipboard disposal at sea.
What type of fungus is the wheat stem rust
fungus?
a. parasite b. mycorrhizal c. decomposer d. human pathogen e. photosynthetic
The loading of dissolved sugars into the sieve tube elements of phloem is:
a. passive transport. b. active transport. c. osmosis. d. simple diffusion. e. facilitated diffusion.
Rigor mortis sets in after the death of humans and other animals because the supply of ATP decreases to the point at which calcium can no longer be removed from the cell. At this point, the myosin molecules attach to the thin filament. The muscles
stiffen, and limbs cannot be moved. Why and for how long does the muscle then remain in this continuously contracted state? What will be an ideal response?