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Biology Quiz - Food Chains, Food Webs, Biomass Pyramids and Cycles
1. A green plant that makes its own food by photosynthesis is called a:
A parasite
producer
C consumer
2. In a food chain, the organism that eats the producer is the:
A carnivore
B second order consumer
C primary consumer
3. An organism that eats both plant and animal matter is called the:
A producer
B carnivore
C omnivore
4. An example of a scavenger that eats animals that are already dead is a:
A crab
B whale
C shark
5. An organism such as bacteria and fungi that breaks down dead organisms and their wastes is a:
A producer
B parasite
C decomposer
6. Each level of a food chain is called a:
A chain level
B trophic or feeding level
C producer level
7. At each level of a food chain, energy is lost mostly in the form of:
A grass not eaten by the consumers
B light energy used by plants
C heat of organisms
8. Animals with a constant body temperature such as mammals and birds require more food than do animals with a changing body temperature such as reptiles and fish. Why?
A Much of the food is utilised to produce heat to keep warm
B Warm-blooded animals waste more food than cold-blooded animals
C Cold-blooded animals digest their food more efficiently than warm-blooded animals
9. The most energy-efficient method to feed large human populations such as in China is to eat:
Amostly rice and vegetables with little meat
Blarge amounts of meat with few vegetables
Clarge amounts of fish with little rice
10. A network of interrelated food chains in a given area is called a food:
Aweb
Bchain
Cnetwork
11. Biomass is the:
Aweight of organisms in the entire food chain in a given area
Btotal mass of organisms in an entire food web
Ctotal dry mass of the organisms in each level of a food chain
12. The process by which carbon dioxide is removed from the atmosphere by living organisms is:
Arespiration
Bphotosynthesis
Ccombustion
13. The scientific name given to the falling of water through the atomosphere as rain, snow, sleet or hail is:
Aevaporation
Bcondensation
Cprecipitation
14. Transpiration is the:
Aintake of water to balance water lost through perspiration
Bloss of water through the leaves of plants
Crain water seepage through the soil
15. Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are:
Adecomposers
Bpredators
Ccompetitors

 

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