Answer:
1) mutations 2) sickle cell anemia. Hope this helps you :)
Explanation:
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Hello!
✧・゚: *✧・゚:* *:・゚✧*:・゚✧
❖ Structures called spindle fibers are attached to the centromeres. Spindle fibers divide the genetic material in a cell (sister chromatids).
~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡
~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ
Answer:
I guess it is a Secondary Succession.
Explanation:
Secondary succession is the series of community changes which take place on a previously colonized, but disturbed or damaged habitat. Examples include areas which have been cleared of existing vegetation.