Earth’s biosphere is described as every biome that has living things.
every community that is above water.
every biome that has living plants.
every community that has sunlight.

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

If animal agriculture was eliminated, how much grain would become available for human consumption?

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass