Which describes primary succession, but not secondary succession? a. Small trees and shrubs replace grasses and other small plants.
b. Large trees replace small trees and shrubs.
c. The process often begins on lifeless, barren rocks that form from a
volcanic eruption
d. The process often begins after a human disturbance, such as clear-cutting a
forest

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.