Water, light energy, and carbon dioxide
Answer:Key stone
Explanation:
Keystone species hold together the complex web of relationships in an ecosystem. They can be animals, plants or microorganisms. Examples of keystone species include starfish, sea otters, wolves and elephants.
<span>Hormone is a type of
chemical signal where it a means of communication between cells. This chemical
messenger produced by a cell that effects specific change in the cellular activity
of a target cells. Moreover, hormones are endocrine glands that do not secrete
substances into ducts instead manifest their effect directly into the surrounding
near where they are produced. Then, this hormones diffuse into neighboring
capillaries and transported throughout the body.</span>
It is correct and correct correct
A small, colourless organelle that gives rise to a plastid (e.g. chloroplast, chromoplast, and leucoplast) Supplement. A proplastid is an organelle found in the meristematic regions of the plant.
