Which is the best way to determine a species population in an area?

a. subtract those leaving the area from those in or arriving at the area.
b. add up the sustainability in an area, and subtract the number of deaths.
c. subtract the carrying capacity from the original population.
d. add up the animals that have been born recently.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity hurry!

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.