Trophic levels can be represented by numbers, starting at level 1
with plants. Further trophic levels are numbered subsequently according
to how far the organism is along the food chain.
Level 1: Plants and algae make their own food and are called primary producers.Level 2: Herbivores eat plants and are called primary consumers.Level 3: Carnivores that eat herbivores are called secondary consumers.Level 4: Carnivores that eat other carnivores are called tertiary consumers.Level 5: Apex predators that have no predators are at the top of the food chain.*Hope that helps XD*
They have longer periods of revolution.
It is D & E. Uranus is Helium & Hydrogen, And it has dark rings
Answer:
it's usually because they have no predators or very little
Explanation:
Having no predators means a lot of growth for the organism. this can easily lead to extinction of other organism