The first organisms evolved on earth around 4 billion years ago. the fossil record indicates that the first organisms were which of the following?

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.

Why is it incorrect to say that mitochondria function only as energy factories with cell

The first generation of offspring from the cross of two parents is called the a. f1 generation b. f2 generation c. short generation d. p generation