Ecosystem Test ...

Which of the following aquatic ecosystems has very little primary productivity

Which of the following can explain the energy stored in an ecosystem?

When we study the full assortment of organisms in an area as well as the abiotic environment that affects them, we are studying the

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A living organism represents stored energy in the form of chemical compounds When an organism dies, what happens to.that stored energy?

Clements proposed the climax-pattern model of succession. Governing factors for this  succession that he proposed were

Primary succession takes much longer than secondary succession because it involves:

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Which one of the following organisms is the first to colonise a bare rock?

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Some species of Anopheles mosquito live in brackish water, some in running fresh water, and others in stagnant water. What type of reproductive barrier is most obviously separating these different species?

In a disturbed site in a community recovers and moves again toward the climax state.

Which one of the following Clements would consider to be the climax community in a humid environment?