Green plants capture sunlight and convert it into which form of energy?

If a grasshopper is eaten by a frog,then the energy transfer will be from

The green plants capture about $10 \%$ of the energy of sunlight that falls on their leaves and convert it into food energy.

Which of the following is not included in a freshwater ecosystem?

In a food chain consisting of grass,insect,frog,and snake,what is the trophic level of the frog?

Suggest one word for each of the following statements/definitions:
$(a)$ The physical and biological world where we live in
$(b)$ Each level of food chain where transfer of energy takes place
$(c)$ The physical factors like temperature,rainfall,wind and soil of an ecosystem
$(d)$ Organisms which depend on the producers either directly or indirectly for food