The biomass of a communit is the dry weight

Reference no: EM13534811

1. The biomass of a communit is the dry weight of the
a. Material decomposed in ayear
B. Producers only
c. All living organisms
d. Consumers only

2. When a North Dakota farm is abandoned, its formerly lpowedfields first become weedy meadows, then shrubby areas, and finallyforest. Something that might have kept this community fromevantually developing into a forest community by succession couldhave been
A. Fire
B. Grazing
Both
Correct one l choose is Both.

3. The single largest threat to biodicersity on earth iswhich of the following
a. Overexploitation of wildlife
b. introduction of exotic/introduced species
c. human alteration of habitats
d. ozone deplation

Reference no: EM13534811

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