21. on first attachment is secondary succession
22. is the degree of variation of life....
genetic, species or ecosystem within a specific area, system or planet
23. the last one is wrong = )
Answer:
transparent
Explanation:
translucent is almost see-through, and opaque is barely see-through
The muscle cells divide through Mitosis, a cellular division comprised of several other substeps.
The final step of the cell division is the cytokinesis by which two new cells are formed from cell with a multiple number of nucleus after the replication process. This steps follow the telophase.
Answer- you would use a Punnet Square to cross the kinds. In order to know which ones to use, you'd have to test them all. Without knowing what each letter codes for it is hard to show
They showed how organic molecules could be made from Earth's early atmosphere.