Answer:
A Biotic factors are the living parts of an ecosystem.
The abiotic factors in an ecosystem include all the nonliving elements of the ecosystem.
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There is something called the lock and key mechanism; it has a shape that fits the substrate like a lock fits a key only substrates with a particular molecular shape
1. Use special knee and elbow pads to prevent the child from joint bleeds. Ceramic tiles should also be carpeted.
If the child is very active, it is advisable for the child to wear a helmet to prevent head injuries.
2. Regular exercise: Exercises will help strengthen the muscles and decrease the chances of bleeding from injuries. A good exercise is swimming, because it helps exercise all the muscles without putting street on the joints.
3. Caring for teeth: It is advisable for the child to brush twice daily and floss regularly. This would reduce the chances of the child's gum to bleed.
