
Photosynthesis and Food Webs
Quiz by Naomi Broussard
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In the food chain shown below, which organism is the primary consumer?

The two reactants (starting ingredients) for photosynthesis are carbon dioxide and __________.
The two products (ending ingredients) for photosynthesis are glucose and __________.
Match the vocabulary word to its correct definition
In this food web, which organism gets its energy from both the mouse and the grasshopper?

Place the organisms below in the correct order by their trophic level. (Hint: the FIRST one in the list should be the SUN)
Look at the food chain chart below. What is the difference between the snake and the algae in their food chains?

Look at the food chain chart below. What do the rat, dragonfly larva, and fish all have in common (the same)?

Look at the food web below. What is a correctly diagramed food chain that is found in this food web?

What is the original source of energy for the process of photosynthesis?

Look at the food chain below. If the greenfly population started to decrease, what would happen to the ladybird population?

Look at the food web below. If the land plants were completely gone, which organism in the food web would be LEAST affected?

Starting with the grass (producer), use this image of a food web to put the organisms of the smaller food chain into the correct order.

What do the arrows in food chains and food webs represent?
Name a producer on this food web:

Name a tertiary consumer on this food web:

Which organisms in this food web get their energy from the small fish?
Look at the food chain below. It is missing (doesn't have) the source of radiant energy. What is the source of radiant energy?

Look at the photosynthesis diagram. The reactants (starting ingredients) and products (ending ingredients) are labeled 1,2,3,4,5. Match each number label to the correct word.

In this energy pyramid, which trophic level contains the most energy?
