Has anyone done the Beavers as ecosystem engineers work sheet and can you give me the answers to these questions

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b. organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.

Which of the following forest management practices is best for reestablishing areas of forest?