ACTIVITY: Transfer of energy through the trophic levels

The most essential factor controlling the kind of species that dwell in an ecosystem is _______.

Photosynthesis produces energy in the form of _______.

From the image, which is an autotroph and a producer?

The grasshopper, rat, snake; and eagle are called ________.

What are the two types of food chain?

At every trophic level, what percentage of energy from the food in the previous trophic level is consumed?

The term used to refer to each level to which energy is passed from one to the other is called

What happens to energy as it moves up the food pyramid, from producers to tertiary consumers?

Which of these are classified as heterotrophs or consumers?

Fill in what's missing in this food chain:

SUN--> producer--> primary consumer-->secondary consumer--> tertiary consumer--> (a)