Pretty sure it’s b and and d brother
Answer:
The age of the plant and the amount of sunlight and water it is getting are major variables.
Explanation:
1 raw meat is always stored on the bottom the blood can contaminate other foods .
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.