Question

1. produce a food chain using 4 organisms of your choice. for numbers 18 - 30, write the letter that best matches the term in the space provided: term description 18. primary productivity a. an assigned level in a food chain or other diagram based on how an organism obtains food. 19. producers b. an interconnected web of food chains. 20. consumers c. an animal that eats plants (or another producer). 21. herbivores d. the rate at which producers make energy. 22. carnivores e. the dry weight of organic matter. 23. omnivores f. organisms that obtain energy by eating plants or animals. 24. detritivore g. an organism that obtains energy from wastes and dead bodies. 25. decomposer h. organisms that cause decay, such as bacteria and fungi. 26. food chain i. organisms in an ecosystem that are able to capture energy. 27. trophic level j. an organism that eats other animals. 28. food web k. an organism that is both herbivore and carnivore. 29. energy pyramid l. path of energy flow through the trophic levels. 30. biomass m. a diagram in which each trophic level is represented by a block of space proportional to the amount of energy stored within that trophic level.

Explanation:

1. Primary productivity: d. The rate at which producers make energy.
2. Producers: c. An animal that eats plants (or another producer).
3. Consumers: a. An organism obtains food.
4. Herbivores: b. An organism that eats plants.
5. Carnivores: j. An organism that eats other animals.
6. Omnivores: k. An organism that is both herbivore and carnivore.
7. Detritivore: f. Organisms that obtain energy by eating plants or animals.
8. Decomposer: h. Organisms that cause decay, such as bacteria and fungi.
9. Food chain: i. Organisms in an ecosystem that are able to capture energy.
10. Trophic level: a (already used in 20, but concept - level in food chain).
11. Food Web: l. Path of energy flow through the trophic levels.
12. Energy pyramid: m. A diagram in which each trophic level is represented by a block of space proportional to the amount of energy stored within that trophic level.
13. Biomass: e. The dry weight of organic matter.

For producing a food - chain with 4 organisms, an example could be Grass (producer) → Rabbit (herbivore) → Fox (carnivore) → Hawk (top - carnivore).

Answer:

1. d
2. c
3. a
4. b
5. j
6. k
7. f
8. h
9. i
10. a
11. l
12. m
13. e

Food chain example: Grass → Rabbit → Fox → Hawk