The answer is guard cells.
Guard cells are cells surrounding each stoma. They help regulate the rate of transpiration by opening and closing the stomata. They are specialized cells in the epidermis of leaves, stems and other organs that are used to control gas exchange. They are produced in pairs with a gap between them that forms a stomatal pore (stoma).
Gregor Mendel found out that treats depends on inherited factors. Also, he study science and math. He then study inheritance of treats and beginning to experiment. So, then he discover that traits depend on inherited factors while he experiment with peas. He had a garden to test with pea plants.
the answer is D.he conversion of restaurant grease to bio-diesel fuel for use by motorists.
, in its simplest and least complex form, is the skeleton of primitive, more advanced, and in some common, modern day organisms.[1]
While more advanced organisms can be considered hydrostatic, they are
sometimes referred to as hydrostatic for their possession of a
hydrostatic organ instead of a hydrostatic skeleton. A hydrostatic organ
and a hydrostatic skeleton may have the same capabilities, but they are
not the same.[1]
Hydrostatic organs are more common in advanced organisms, while
hydrostatic skeletons are more common in primitive organisms. As its
name suggests, containing hydro meaning "water", being hydrostatic means
that the skeleton or organ is fluid-filled.<span>[2]
</span>
This a tough one, and technically they all have to do with an authoritative body enforcing an environmental policy. But the most specific ones of them all would be the first sentence and the last two sentences.
