Some animals eat veggies some eat meat, some eat both. There is also the fact that the larger the animal is the more it has to eat to get the same nutrients. Like how the lower you are on the food chain the less you have to eat but the higher you get the more you have to eat.
Question 5:
A scientific theory should not be regarded as reliable (false).
Scientific theories are reliable.
Question 6:
It is best to use a line graph to show change over time.
Genetics will change in each generation depends on who the mother/father has offsprings with, they kids will get genetics from both parents and that creates a new set of genetics for their offspring