Uses various plant and animal examples to illustrate how such constantly changing factors as the rate of reproduction of a species, its available food supply, and the number of its natural enemies largely determine the survival of a species within a biome. Also shows some of the factors, including humans, which may upset the balance of a community.
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How to watch
Collection
In ACMI's collection
Credits
Collection metadata
ACMI Identifier
008466
Language
English
Subject categories
Animals & Wildlife → Animal behavior
Animals & Wildlife → Animal defenses
Animals & Wildlife → Animal ecology
Animals & Wildlife → Animal populations
Animals & Wildlife → Animals - Adaptation
Animals & Wildlife → Animals and civilization
Climate, Environment, Natural Resources & Disasters → Ecology
Climate, Environment, Natural Resources & Disasters → Environmental education
Climate, Environment, Natural Resources & Disasters → Natural history
Climate, Environment, Natural Resources & Disasters → Plant breeding
Climate, Environment, Natural Resources & Disasters → Plant conservation
Climate, Environment, Natural Resources & Disasters → Plant ecology
Climate, Environment, Natural Resources & Disasters → Plant population
Climate, Environment, Natural Resources & Disasters → Plants - Adaptation
Climate, Environment, Natural Resources & Disasters → Plants - Reproduction
Documentary → Documentary films - United States
Sound/audio
Sound
Colour
Colour
Holdings
16mm film; Access Print (Section 1)
16mm film; Preservation Print (Section 5)
16mm film; Limited Access Print (Section 2)