He was studying genetics by performing mating crosses in pea plants. Then, he discovered that the traits in the offspring didn't always match the traits in the parental plants.
An herbivore would belong to the second trophic level in an ecosystem. An herbivore is an animal that eats only plants, making it a consumer at the second level. The first trophic level is always made up of producers, or organisms that undergo photosynthesis such as plants.
Uhhh ok wait I have homework to do
Answer: Amphibians and water animals.
Explanation: