D. A variable or alteration to one part that affects an entire system
Explanation:
When talking about natural and physical systems, change is a variable or alteration to one part that affects an entire system.
Systems are groups of processes that have the same overall function. There are several types of interacting components that makes up both physical and natural systems in our world.
- The part of system is related and interconnected via the changes they undergo.
- Changes typically causes variation or alteration of parts of a system.
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Biogeochemical cycle brainly.com/question/3509510
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The competition and threat for purple sea star when sea stars gets eaten by sharks it is basically dangerous the will need help when sea stars live in oceans the will be near others as well
In bone growth, the medullary cavity is enlarged because of the activity of osteoclasts. These are cells working to break down bone, resorbing old bones which will line in the medullary cavity. The cavity is also enlarge as the cells contribute to the increase in length and diameter of a growing bone.
B.
It helps spread the genetic genes and fuses with others
Answer:
nucleus in center of the wall, cell wall, several small vacuoles, and can have cholorplasts.
