Invasive species often unbalance the ecosystems into which they are introduced because a. they did not co-evolve with the natural species and lack natural controls, like predators b. they breed quickly and have the potential to overpopulate an area c. they consume local resources d. none of the above

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 zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.