Answer:
Producers perform photosynthesis so that consumers have food.
Explanation:
Producers create food from sun, water, and air. They can not eat any other animals because they are too small. They compose photosynthesis so the consumers can get energy from the food they eat, and the food web can continue. Hope this helps!
Answer:
nucleus
Explanation:
The nucleus contains the cell 's DNA and directs the synthesis of ribosomes and proteins.
Explanation:
valence electron, any of the fundamental negatively charged particles in the outermost region of atoms that enters into the formation of chemical bonds. Whatever the type of chemical bond (ionic, covalent, metallic) between atoms, changes in the atomic structure are restricted to the outermost, or valence, electrons.
Would it be talking about water? In which case the answer would be hydrogen and oxygen.