One of the ways in which the endocrine system differs from the nervous system is that the endocrine system works more quickly than the nervous system. a. true b. false

Which is not a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic

Which image shows labeled organelles that are present only in plant cells?

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