Answer:
hamburgers-
Explanation:
grass grows with the sun, cows eat the grass, the butcher kills the cows and made into beef which is made into burgers and cooked to eat in restaurants
Answer:
mutualism and parasitism
Examples:
mutualism: crocodiles and birds
parasitism: mosquitoes and humans
Gene mutations can be passed on to future generations and drive natural selection. ... Gene mutations can be helpful, harmful, or neutral for an organism's survival. Only mutations that are helpful in the organism's environment would influence its survival and reproduction