True or false The sea otter is considered a keystone species that influences the survival of many other species in an ecosystem .

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.

Which entry is in the wrong position in the table?

Which of the follow describes a disadvantage secondary sources have compared to primary sources?