Swimming alone a. increases the benefits of swimming for cardiorespiratory endurance. b. is acceptable in a pool but never in a lake or an ocean. c. is ok as long as you've been swimming for at least five years. d. is never safe, regardless of ability.

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 group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist