Which of the following is not a characteristic of a hormone?
a. travels in the blood stream
b. produced by glands and released through ducts
c. produced by endocrine glands
d. release is mostly controlled by the nervous system

Which of the following statements describes how the characteristics of different species of mammals reflect the evolutionary relationships among those species? shared anatomy among mammals, such as hair and mammary glands, suggests that a common ancestral species had these features. similarities in the dna and protein structures of mammal species suggest that these species evolved from a common ancestor. although all modern species of mammals share some features, the differences between them mean they cannot share a common ancestor.

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

Which layer will become saturated first when rain falls?