Ecosystem Test ...

Which is not correct?

An ecologist estimates that there is an average of 27.3 kg/$$m^2$$ of plant growth within a British Columbia forest. What is the ecologist measuring?

The ultimate source of energy in an ecosystem is

Biogeochemical cycling means cycling of 

What amount of energy is available to the lion in the following food chain, if plants have 10000 J of energy available from the sun?
Plants $$\rightarrow$$ Deer $$\rightarrow$$ Lion

Identify the wrong pair of statements.
I) During plant succession, some species colonise an area and populations become more numerous, whereas populations of other species decline and even disappear.
II) Both hydrarch and xerarch successions lead to mesic conditions.
III) Secondary succession is a slow process when compared to primary succession.
IV) In the successive seral stages, there is no change in the diversity of species of organisms.

Study the following lists.

The path through which nutrients are passed from one acceptor to the other is called _______.

The carbon cycle is the movement of carbon on Earth by the processes of --- and ---- .

The excreta rich in phosphorus would be called as _________.