I think extracellular because its inside of you
The substance, DDT, damages a bird life until it was largely ban in the 1970s. DDT (<span>dichlorodiphenyltrichloroethane) is a colorless, tasteless, odorless, and crystalline organochloride known for its insecticide properties.</span>
A plant needs sunlight to grow, it also needs carbon dioxide, and water. The plant needs sun so it can make oxygen for animals and us, but also it gives it stuff to make glucose witch it needs. The plant needs it to survive.
Answer:
Trophic level 1 - Primary producers
Explanation:
Biomass is basically energy, and the most energy lies in the primary producers.