1. the position of a species or group of species in a food chain or a food web t

Question

1. the position of a species or group of species in a food chain or a food web that reflects the distance to the primary energy source of the food chain or web. A. producer B. Trophic Cascade C. secondary consumer D. trophic level

2. a species which often forms the major structural portion of the habitat A. resilient species B. keystone species. C. foundation species D. apex predator

3. interactions between two different species A. dependent interactions B. interspecfic interactions C. intraspecific interactions D. competion

4. a trophic level in an ecosystem usually carnivores that eat other carnivores A. primary consumers B. tertiary consumers C. producer D. secondary consumer

5.a species whose presence has inordinate influence the greater than its own abundance in maintaining the prevalence of various species in an ecosystem A. foundation species B. photoautotroph C. regulatory species D. keystone species

6. the trophic level that obtains its energy from sunlight or inorganic chemicals A. primary consumer B. producer C. secondary consumer D. tertiary consumer

7. trophic level in an exosystem usually a carnivore that eats a primary consumer A. tertiary consumer B. secondary consumer C. primary consumer D. primary producer.

Explanation / Answer

(1) c.Secondary consumer

(2)b.keystone species

(3)Interspecific interaction

(4)(b)tertiary consumers

(5)(A)Foundation species

(6)(B)Producer

(7)(B)secondary consumer

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