Consider what you already know about scientific design. To set up an experiment testing whether students’ grades are affected by their level of exercise, which factors do you think you would need to keep in mind? Check all that apply.

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

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.