Which is the biggest disadvantage of using adult stem cells for medical treatments a. they are not very healthy
b. they have more mutation
c. they are totipotent
d. they are not pluripotent

Four types of motile cells in human body?

How does natural selection change thephenotypes within a population over time?

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? 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.