Answer:a
Explanation: because naturally it occurs anytime it wants to
When the organism is preserved in ice.
A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels. ... Producers are the basic trophic level while top predators are the peak level.
I think you should put a check mark by 2, 3,
5, and maybe 6.
Hope this helps.
