3) Provide 2-3 examples of how communities depend on abiotic factors within an ecosystem.
4) Name 2-3 different ways that biotic factors can affect an ecosystem

answer; /// i believe the correct answer is (reactants);

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.