Answer:
signal molecule is a general term for molecules also called (ligands)that bind specifically to other molecules (such as receptors). hope it helps!!
<em>characteristics that are always present in well-developed living organisms are
</em><u><em>1 digestion
</em></u><em><u>2 excretion
</u><u>3 growth
</u><u>4 respiration
5 reproduction
6 circulation of nutrients and food
senses are also present...
</u>
</em>
Chloroplasts should be the answer
Answer:
up next week and the trees and shrubs the
Explanation:
because I want the points
Answer:
Energy is transferred from the sun to Earth via electromagnetic waves, or radiation. Most of the energy that passes through the upper atmosphere and reaches Earth's surface is in two forms, visible and infrared light.