Which of the following is true? a. Heavy floods lead to an increase in mountain pine beetles.
b. Lengthy droughts lead to an increase in mountain pine beetles.
c. Lengthy droughts lead to a decrease in mountain pine beetles.
d. Weather has no impact on mountain pine beetle populations.

the sphincter muscles at the end of the digestive tract is the anus.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.