The hear makes sure that oxygen taken in by the lungs gets to the brain.
Answer: Chromosomes
Explanation: Chromosomes contain a cell's DNA. When a cell divides, the chromosomes must replicate. There are two types of cell division. Chromosomes undergo a different process depending on the type of cell division. It is important that chromosomes replicate properly so that each resulting cell has the correct amount of DNA after division.
Biodiversity impacts the environment and its stability because one organism depends on the other to survive, it is call the food change. The more biodiversity the healthier the environment.
Shelter: an ecosystem will only provide a certain amount of shelter for its organisms.
Competition: it will be determine by the amount of food available in that ecosystem.
Food: the amount of food available will be a factor on the population an ecosystem will be able to maintain.
Predators: there have to be a balance between predators and prey or food available.
Disease: It will affect the number and health of all the organisms living in the ecosystem.
Mya= Million Years Ago :)
Answer:
b chemical potential energy