Fossil evidence and other observations have enabled scientists to recognize several trends in hominid evolution. which of the following correctly states the order of development of hominid characteristic and traits?

a-first the ability to make and use tools, then to walk upright on two legs.

b-a larger brain developed into a smaller brain.

c-first language developed then the ability to make and use tools.

d-first the ability to walk upright on two legs, then ability to use and make tools.

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

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.

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from