What affect does insulin have on the body? a. it raises blood-sugar levels. b. it lowers blood-sugar levels. c. it raises glucagon levels. d. it lowers glucagon levels.

What type of competition exsist between two species. turtles and fish

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

What are the pros and cons of quadrat sampling?