Answer: Ecosystem
Explanation: An ecosystem consists of all the biotic and abiotic factors in an area and their interactions. A niche refers to the role of a species in its ecosystem. A habitat is the physical environment in which a species lives and to which it is adapted.
It is a form of natural selection called sexual selection.
Answer:
UAGCAGUUAGUUUU
Explanation:
The sequence matches up with the corresponding bases. Because it is RNA A goes with U not T but T still goes with A.
A T
U A
Answer:
A oxidation reactions are usually irreversible and form new product
and burn up