What structure help to keep the stem's shape and up right position?

The part of a desired plant inserted into rootstock during grafting is called the

What is the primary function of the nervous system?

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water. b. they use chlorophyll and oxygen to make carbon dioxide and water. c. they use sunlight, water, and carbon dioxide to make sugars. d. they use sunlight, water, and oxygen to make chlorophyll.