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temperate grasslands and tropical savannas are two biomes that are dominated by grass species, share similar wildlife, and have
few
. however, while temperate grasslands have
the other grassland biome
has
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Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

The deserts of the sahara and australia are associated with

How does the nervous system affect the excretory system?