Answer:
D
Explanation:
Bone marrow contains stems cells which then turn into immature blood cells and they mature there. kinda like a school for young blood cells. they also make white blood cells and platelets.
Answer: mitochondria
Explanation:Animals and plants are made up of many complex cells called eukaryotic cells. Inside these cells are structures that perform special functions for the cell called organelles. The organelle that is responsible for producing energy for the cell is the mitochondria And cellular respiration.
12/20 is the answer I think. I hope this helps you!!
the answer to this question is c i hope this helped
Primary succession occurs in essentially lifeless areas while secondary succession happens where there were previous communities
