How does the active compound in poison ivy protect the plant from predators?
it is a strong acid that buns the skin.
it dissolves skin cells and causes pain.
it starts an immune system response that causes a rash.
it makes the skin more sensitive to oxygen.

Plants are used for so many things. in your house alone, you can probably look around you and see where plants have been used. for this project, you will identify various uses of plants in your home. directions make a list of objects, products, and any other items around your house where plants were involved in the production of the item. you should have a list of at least twenty items. then respond to the following questions: note: your list of objects and the answers following should be at least 200 words in length. what if plants no longer existed on earth? how would your life be different?

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material