What characteristic of fast nerve fibers permits them to transmit signals perceived as sharp, immediate pain

As a small change in a person's dna can cause a genetic disorder

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present