Science
This is true because humans can only know so much due to unexplored lands, water depth, and evidence of extinction being hidden.
Answer:
Usually the Y chromosome. It is recessive because if one Y chromosone is mutated with red-green colorblindness and the X is not, the child will have colorblindness. But, if one X chromosome has the mutation and the other X does not, they will cancel out, meaning the child will not have colorblindness.
Answer:
the real physical matter of which a person or thing consists and which has a tangible, solid presence.
Explanation:
Answer:
Well one of the types of symbiosis is parasitism. Here an example would be a tapeworm (parasite) would live in and feed off a living host (humans in our case)
Explanation: