What do you call a collection of organ systems, organs and tissues that carries out life processes on its own?
incorrect
a. cells
b. organ systems
c. tissues
d. organism

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

Mike wants to negatively charge a small rubber ball. which of these methods would successfully charge the ball? a) heating the ball in boiling water b) running the ball over a strong magnet c) rubbing the ball back and forth on carpet d) dropping the ball from a tall bulding submit hint forces in nature (s8p5.b) conductors and insulators id: 10402 hint electrons must be transferred.

What is a food chain? a. different animals located in different communities b. energy transferred from the sun to plants and then to a series of living things c. rows of crops, such as lettuce, in a field d. animals using one another as food for energy and growth