A theory that states that only the organism with traits that are useful to the environment survive. For example, short-neck giraffes would’ve died out years ago as they can’t reach the trees nor eat grass on the ground.
I'm pretty sure the answer is B
Answer: Its the brain because it controls everything in your body
Explanation:
Have great day
Answer:
we should not cut .we should crop .we should give water
Answer:
Scientific ideas are changed when better ones are found.
Explanation:
