Which condition had the greatest impact on the emergence of new species in Earth's history? A. continental drift
B. mass extinction
C. adaption
D. convolution

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

According to the cladogram, which organisms have roundworms as a common ancestor?

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.