Đặc điểm thích nghi của động vật đối với đời sống trên cạn và nêu vai trò

rtgh gf tfg sxzt hgstr hsd gh trh fhrd rd

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle

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.