4. Identify Breathing is required for cellular respira- tion. Use the reactants, products, and stages of cel-
lular respiration to explain why breathing is required.

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.

In the diagram below, which organelle is a ribosome, which combines amino acids and produces proteins? оооо

When you aware sick your body produces more leukocytes.briefly describe where the leukocyte are formed,how they are transported,and where they may be stored.