A species that has a disproportionately large effect on its environment relative to its abundance. An example of a keystone species would be humans
hope that helps :)
Answer:
The field of genetic engineering has remained controversial ever since its existence. Some scientists extremely favour the recombinant DNA technology whereas others consider it to be dangerous.
Some of the positive impacts would be that these animals would provide better milk quality and quantity. The meat of these animals will be able to provide better nutrition. Hence, in this way these animals will help to fight malnutrition.
The negative impacts of such animals would be that one never knows that if a mutation occurs in these organism than how dangerous it could be for the world. There is also a threat that the genetically engineered animals if mated with the wild life can cause threats. It might also lead to the wild- life of animals being extinct.
Answer:
I think the passage is trying to tell the reader that they shouldn't lose faith in people/animals just because they are elderly/weak when they are loyal to you because it will hurt their self-esteem.
Lucy and Upright Human are out because of the most body weight above the pelvis would make it hard to walk upright.
Im going to say it is Wise Human, as similar features would indicate a common ancestor and similar structure does not mean same capabilities with tools, that would have more to do with the size of the brain case.
So i am going to say the answer is Wise Human.
