Maximum solar energy may be trapped by
Growing grasses
Planting trees
Growing algae in large water bodies
More cultivation of crop plants
Transfer of material and energy from one ecosystem to other ecosystem is best examplified by
They are not primary producers in an aquatic ecosystem
Match the following columns.
Column $- I$ | Column $- II$ |
$(a)$ Phytoplankton, grass | $(p)$ First trophic level |
$(b)$ Man, Lion | $(q)$ Herbivore |
$(c)$ Zooplankton, Cow, Grasshopper | $(r)$ Third trophic level |
$(d)$ Birds, Wolf | $(s)$ Top carnivore |
The trophic level of Cuscuta, Orobanche and Albugo is
The dominant second trophic level, in a lake ecosystem, is