Answer:
RNA Polymerase
Explanation:
I took a bio class last year
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.
Antibiotics are usually derived from bacteria.
Answer:
central nervous system
Explanation:
The central nervous system is made up of the brain and spinal cord which carry out the function of processing information about the environment using the five senses and sends out your bodies response. such as if your finger touched the hot stove, that signal gets sent to your brain which sends a signal to your spinal cord telling your arm to pull away from the hot surface