Answer: cell wall, chloroplasts, plastids, and a central vacuole
Explanation:
Answer:
Key stone Species
Explanation:
Keystone Species are the ones which impact the entire ecosystems and all the organisms with in it.
Keystone species are responsible for maintaining the overall structure and function of the ecosystem.
For example – small predators in any ecosystem which feed upon the herbivores organism in order to preserve the plant species act as key species. Their presence is essential for maintaining the dominant plant species in the ecosystem
Answer:
blood vessels narrow and blood pressure rises
Explanation:its stress
<span>In this population, what will occur is that there will be no evolution. Mutation is neccessary and important because they provide varitations that can result in evolutionary change. Other factors needed for evolution to occur are migration and selective pressure.</span>
<span>
Predetors have to eat. If things are good which means the predetors can eat good also.Starvation means that things in the eco-system are going bad.Also,it helps the earth,maintain its balance.If too much of any aspect of the system is removed it throws the whole thing off balance. Too many herbivores will eat too much vegetation.</span>
