Environmental Science
What is symbiosis?

Association between members of two species
Association between members of same species
Study of distribution of related species
None

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Environmental Science
Which of the following is false?

Rate of succession is faster in secondary succession
The succession that occurs in newly cooled lava is called primary succession
The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.
Phytoplanktons are the pioneers in the aquatic ecosystem
Quantity of biomass in a trophic level at a particular period is called as standing crop

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