A chromosome is made of two sister chromatids that are joined by a centromere.
Answer:
Oral Cavity or buccal cavity
Explanation:
A<span> synapse is your answer. hope this helps you!</span>
Answer:
Photosynthesis
Explanation:
This is a role in the cycling of matter and flow of energy into and out of organisms. The flow of energy and cycling of matter can be traced.