Weekly Review #4 1. _________ flows through a food web/chain and powers each organism at every trophic level. a. Nitrogen b. Energy c. Carbon Dioxide d. Photosynthesis 2. Which organism below is considered a primary consumer? a. Snake b. Owl c. Duckweed d. Rabbit Use the diagram below to answer questions 3­4. 3. In the food web diagram which ​
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organisms are secondary consumers? a. Rabbit, Snake b. Hawk, Grasshopper c. Lizard, Snake d. Hawk, Lizard 4. An example of a tertiary consumer from the food web would be a….? a. Hawk b. Mouse c. Snake d. Lizard 5. All organisms in an ecosystems are interconnected. Which three terms correctly explains a primary consumer? a. Abiotic factor, Carnivore, Predator b. Biotic factor, Consumer, Herbivore c. Biotic factor, Prey, Carnivore d. Biotic factor, Omnivore, Consumer 7. What is the source of energy that is missing from this food web? A.
B.
C.
D.
The primary producers The secondary consumers The tertiary consumers The sun