A food web is also called food cycle. It is understood by the natural interconnection of chain and their graphical representation. The concept is given by Charles Elton. He mentioned about the concept of food cycles in Animal Ecology but later this food cycle is replaced by food web.

Food web are limited representation of eco system. Ecologists can keep together all life forms broadly into one of the two categories which is called tropic levels. These two categories are autotrophs and heterotrophs

6 0

3 years ago

Chemicals extracted from certain sponges have been used in the treatment of cancer patients. Which of the following could be con

inessss [21]

Answer:

All responses are correct

Explanation:

1- This process of chemical extraction produces release of toxins that are toxic to other life forms

2- Sponges are critical organisms in the nutrient cycles

3- Sponges provide habitat for other species (fish, crustaceans, etc)

4- Sponges have the ability to regenerate when they are separated into pieces

8 0

2 years ago

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