biosphere

How is the movement of energy different from the movement of nutrients through ecosystems

Energy flows linear through trophic levels, Nutrients follow cyclical pathways

What do you predict will happen in a community that has more primary consumers than producers or secondary consumers?

The primary consumer population will decrease

herbivore

plant eater

carnivore

meat eater

omnivore

both animal and plant eater

decomposer

break down dead organic matter & waste

producer

autotrophs, make own food, usally photosynthesis

consumer

heterotrophs, ingest organisms as food

How much energy will a secondary consumer get from a primary consumer who consumed 1,700 kcal of plants?

(10%) 170

List some ways that carbon is released into the environment

Denitrification, Respiration, Fossil Fuels, Volcanoes

How do plants get nitrogen?

The soil

Evaporation

Sun's energy adds water vapor to atmosphere

Transpiration

Movement of water throngh plants from roots to leaves

Condensation

Conversion of water vapor to waer form

Precipitation

any form of water that falls to the ground

List several reasons why biodiversity is important

Food, Agriculture, Climate Change, Medicine, Economic, Health

Besides pollution, list and describe three other threats to biodiversity

Global Warming, Habitat Deconstruction, Introduced Species