Answer:
third and fourth trophic levels
Explanation:
I would say that many of our heritable traits are <span>influenced by several genes and by the environnement.
It's, for the biggest part, because of the mutations. You have your heritables traits thanks to your mom and your dad. But a mutation caused by either several rays like ultraviolets or chemicals can changed your traits.
Hope this helps !
Photon</span>
Answer:
Explanation:
bone is awalys thivk and heavy
Answer:energy
Explanation:all activities of life including physical and chemical require energy to proceed
