Letter D is the correct answer.
Disruptive selection, also known as diversifying selection, is a type of natural selection that drives a population apart. This type of selection is based on the variation of a trait in a population. For instance, Garter snakes that have a different coloration pattern behave in different manners when threatened.
Pyruvate undergoes fermentation if no oxygen is present. This is called anaerobic reaction. Can undergo lactic acid or alcoholic fermentation.
Replication of DNA is basically copying DNA.
Answer:
Xerophyte survival characteristics:
Thick cuticle.
Stomatal closure.
Reduction in # of stomata.
Stomata hidden in crypts or depressions in leaf surface (less exposure to wind and sun).
Reduction in size of transpiration surface (lower leaf only).
Increased water storage.
Explanation:
Xerophyte adaptations increase water intake, limit water loss, and store water efficiently. Water intake adaptations include deep or widespread roots, and high salt content to increase osmosis. Xerophytes have thick cuticles, lost or finely divided leaves, reduced stomata, and CAM photosynthesis
The first graph is correct. The population rises above then below the carrying capacity repeatedly. When the population rises above the carrying capacity, the population can no longer be supported and so it will decrease. When the population decreases below the carrying capacity, there will be more available resources so the population can grow.