In a food chain amount of energy at fourth trophic level is 5 kJ, what will be the energy at the producer level

Grass $$\rightarrow$$  Grasshopper $$\rightarrow$$  Frog $$\rightarrow$$  Snake $$\rightarrow$$  Hawk

In a food chain, the third trophic level is always occupied by _____

Ecosystem is

Which of these statements is true:

1. Human population and technology are having a destructive impact on the biosphere.

2. The oxides of nitrogen and sulfur, when mixed with water in the air, are the chief components of acid rain.

Match the following:

The food chain in which micro organisms breakdown the energy rich compounds is called _____

Decomposers are ____

The figure represents a phenomenon called _____

____ $$\rightarrow$$  Zooplanktons $$\rightarrow$$  Fish larva $$\rightarrow$$  Small Fish $$\rightarrow$$  Large fish

1^st Trphic level in the aquatic food chain is ______

Which figure best represents the pyramid of energy?

The sequence of events given in the figure are caused by _____

How much energy is transferred from one level of consumers to the next ?

In a terrestrial ecosystem, green plants capture 1% of the energy from sunlight and convert it into ____

Excessive exposure of humans to UV rays results in ____

At which trophic level maximum energy is available?

At which trophic level minimum energy is available?

A non biodegradable waste is ______

An ecosystem consists of _____

Who coined the term 'Ecosystem' ?

Interdependence of organisms on other organisms for their sustenance is described by _________

The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is abovt _____

Our food contains various amounts of pesticide residues because of _____

Concentration of which greenhouse gas is maximum?