Modern animals may be related to fossilized organisms.
Nucleus could be considered the place where the rollercoasters are controlled and stopped and started
It rains, water moves and erodes the land and creates valleys and rivers.
Answer:
Black fur is more fit to survive in the environment than other colors of fur.
Explanation:
"Fitness", in terms of natural selection, is an organism's likelihood to survive in a given environment. Assuming that the increase in black fur is significant (Not attributable to pure chance), we can safely assume this is because Black Fur provides a competitive advantage in said environment over other colors of fur. There may be black terrain that allows them to blend into the environment and ovoid predators, or maybe it keeps them warmer if it is located in a cold region, thereby reducing the amount of resources they need to spend to stay warm.
Answer:
1. Esophagus or Oesophagus
2. Stomach
3. Small intestines
4. Large intestine and anus.
The solid organs of the digestive system are:
1. liver
2. Pancreas
3. Gall bladder.