Ok here we go:
Science starts with observing which leads to hypothesis, which is tested by experiments.
The other two i am not sure of. Hope i was a help to you. One thing you can do to figure out the other two is google: "what type of science includes medicine and envirnmental science", and do the same for the other one.
Answer:
lion and cheetah populations compete for the food source of zebras ,and lions outcome cheetahs
So you can make the world greener
Answer:
Inherited traits.
Explanation:
Inherited traits are ones passed down from parent to offspring!
Some traits would be increased endurance, speed, strength, etc
this would increase the chances of the horse winning races and winning the bets placed on them
