KEY CONCEPT: Food chains and food webs model the flow of energy in an ecosystem.
ID: 273472 • Letter: K
Question
KEY CONCEPT: Food chains and food webs model the flow of energy in an ecosystem. Choose the correct term from the box below to fit each description herbivore secondary consumer detritivore decomposer trophic levels carnivore omnivore primary consumer tertiary consumer 7. I eat only plants. I am a(n) 8. I eat only other animals. I am a(n) 9. I eat both plants and animals. I am a(n) 10. I eat dead organic matter. I am a(n) 11. I break down organi c matter into simpler compound s. I am a(n) 12. I am the first consumer above the producer level. I am a(n) 13. I am a carnivore that eats herbivores. I am a(n) 14. I am a carnivore that eats other carnivores. I am a(n) 15. The levels of nourishment in a food chain are called 16. How is a food web different from a food chain? 17. Label the four tiers of the energy pyramid with the correct trophic level (producers, primary consumers, secondary consumers, and tertiary consumers). Choose an ecosystem. Research what types of plants and animals live in your chosen ecosystem. Fill in the energy pyramid with what might exist with that ecosystem.Explanation / Answer
7. I eat only plants. I am a Herbivore
8. I eat only other animals. I am a Carnivore
9. I eat both plants and animals. I am an Omnivore
10. I eat dead organic matter. I am a detritivore
11. I break down organic matter into simple compounds. I am a Decomposer
12. I am the first consumer above the producer level. I am a Primary consumer
13. I am a carnivore that eats other herbivores. I am a Secondary consumer
14. I am a carnivore that eats other carnivores. I am a Tertiary consumer
15. The levels of nourishment in a food chain are called Trophic level
16. How is a food web different from a food chain? A food chain is more specific as it shows only one path of energy whereas food web shows many paths.
17. Example 1:
Ecosystem selected: Tropical rain forest ecosystem
Tertiary consumers: Energy 0.1%- Ex. The Jaguar
Secondary consumers: 1% energy- Ex. The mountain Gorilla
Primary consumers: 10% energy- Ex. Grubs
Producers: 100% Energy- Ex. Bamboo
It should be remembered that detrivores and decomposers feed at each level of the denergy pyramid
SECOND EXAMPLE:
Ecosystem selected: Desert ecosystem
Tertiary consumers: Energy 0.1%- Ex. Sidewinders
Secondary consumers: 1% energy- Ex. Jerboa, snakesa and scorpions
Primary consumers: 10% energy- Ex. Camels, Gazelles, Kangaroo rats, rabbits etc
Producers: 100% Energy- Ex. Scattered plants and Xerophytes
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