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Food chain - Part 3
1
of
25
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Hints:
3
Q1. Food webs such as the one shown were first used in 1927 by the animal ecologist Charles Elton. The food web below represents the feeding relationships among different organisms. An environmental change that removed which of these organisms from the ecosystem ould cause the most instability in the ecosystem?
×
A. foxes
B. zooplankton
C. salmon
D. auklets
Q2. The food chain is the sequence in which energy is transferred.
×
A. true
B. false
Q3. A living thing that breaks down dead a and decaying materials is called a
A. decromposer
B. producer
C. omnivore
D. consumer
Q4. ___ eat the carcasses of other dead animals.
A. Scavengers
B. Decomposers
C. Parasites
D. Consumers
Q5. Where does the food chain start?
A. Sun
B. plant
C. deer
D. wolf
Q6. A sunflower is an example of a
×
A. decomposer
B. producer
C. consumer
Q7. How are photosynthesis and cellular respiration related?
A. What’s produced (made) by one is needed (the reactants) for the other
B. They both produce the same prod ucts
C. They both have the same reactants (need the same things)
D. These 2 processes have nothing in common
Q8. Which of the following is the correct equation for PHOTOSYNTHESIS?
A. 6CO2 + 6H2O ___ 6O2 + C6H12O6
B. 6CO2 + C6H12O6 + 6H2O __ O2
C. 6O2 + 6H2O ___ 6CO2 + C6H12O6
D. C6H12O6 + 6O2 ___ 6H2O + 6CO2
Q9. Where do consumers get their food from?
A. other organisms
B. dirt
C. berries
Q10. Iguanas are lizards that eat plants and insects. What type of consumer is an iguana?
A. carnivore
B. herbivore
C. omnivore
D. producer
Q11. A hawk is an example of a
×
A. consumer
B. producer
C. decomposer
Q12. What is a carnivore?
A. an animal that gets energy by eating other ANIMALS
B. An animal that gets energy by eating only PLANTS
C. an animal that gets energy by eating BOTH plants and animals
Q13. Whatisthedefinitionofafoodchain?
A. An animal that eats only plants
B. A series of steps in which organisms transfer (move) energy by eating and being eaten.
C. The transfer (movement) of energy.
D. Shows what eats what and consists of many food chains in an ecosystem
Q14. What is the name for all the animals of the same species living in an ecosystem?
×
A. Population
B. Community
Q15. Which organism in this food chain is a tertiary consumer?
×
A. Fish
B. Grass
C. Grasshopper
D. Hawk
Q16. Which role do plants play in the flow of energy in a habitat?
A. Consumers
B. Omnivores
C. Herbivores
D. Producers
Q17. What does a food chain show?
A. how producers use sunlight to make food energy
B. how living things depend on each other for food
C. where resources are found in a habitat
D. whyplant and animal matter break down
Q18. Organisms that can make their own food are called
A. decomposers
B. consumers
C. producers
D. All of the above
Q19. True or False. Animals eat each other for energy?
A. TRUE
B. FALSE
Q20. Which of the following are producers in this food chain?
×
A. Maize
B. Locust
C. Lizard
D. Snake
Q21. Where does the energy that animals get their food come from?
A. Space
B. Italy
C. Mars
D. The Sun
Q22. An animal that is hunted and eaten for food is a
×
A. predator
B. prey
C. population
Q23. The main source of energy in the food chain above is the
×
A. sun
B. plant
C. grasshopper
D. rat
Q24. Which of the following is not true about predator-prey relationships?
×
A. Predators lower the size of prey populations
B. If a prey population grows, the predator population will grow too
C. Predators hunt/eat prey.
D. If a predator is removed, the prey population will die off.
Q25. Bears eat berries and salmon. Bears are ___ *select all correct answer(s)*
A. producers
B. carnivores
C. omnivores
D. autotroph
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