Ecosystem Test ...

Identify the ecologist from the given hints. 
(i) He carried out long-term ecosystem experiments using outdoor plots.
(ii) In his experiments, he showed that increased diversity contributed to higher productivity.

Which of the following statements is INCORRECT?

Entropy __________________.

The rate of change of species composition among different stands of different forests is expressed by ________________.

The upright pyramid of number is absent in ?

In an effort to harness energy form biomass, which one of the following groups CANNOT be economically used as a direct combustibile fiber?

According to Charles Elton, which is not correct?

The four important steps of ecological succession consist of.
a. Invasion
b. Ecesis
c. Competition
d. Migration
The correct sequence in which these steps appear during primary succession is?

Which of the owing statements regarding the maintenance of carbon cycle in the biosphere are correct?
a. Plant utilize solar energy to convert $$CO_2$$ and water into cellular materials and produce oxygen that animals consume.
b. Oxygen produced by the plants during carbon assimilation is not a byproduct.
c. Energy used by an animal comes from the oxidation of plant material releasing $$CO_2$$ that escapes into the atmosphere.
d. All decaying organic matter on the earth is ultimately degraded by molds and bacteria to yield $$CO_2$$ that escapes into the atmosphere.
Select the correct answer.

Given below are the characteristic features of an ecosystem
(a) Little diversity
(b) Little cycling of nutrients
(c) High productivity
These features are correct for