Answer:
Explanation:
The color of our hair, skin, and eyes is determined by the same thing: the amount of pigment they have. The pigment that causes dark hair, skin, and eyes is called melanin. Melanin is made in special cells in the body called melanocytes.
I believe it is convergent evolution
Answer:
a weightlifter lifts a 20 kilogram barbell above his head
1. blood vessels dilate
2. there is an aggregation of platelets (blood clots)
3. fibroblasts make collagen (healing agent under the skin)
4. neutrophilis consume the bacteria
5. macrophages remove the damaged tissue
6. the wound closes
hope that is right good luck
3. Environment
The simplest definition of an ecosystem is that it is a community or group of living organisms that live in and interact with each other in a specific environment.
