ecology

Plants absorb atmospheric carbon when performing photosynthesis the carbon then becomes part of the plant and when the plant dies it is released as organic carbon into the soil. When animals die organic carbon is released into the soil. Plant and animal respiration and the burning of oil releases carbon into the atmosphere.

Plants absorb nitrogen from the soil and release it into the air as atmospheric nitrogen. It then comes down as precipitation and is turned into useable nitrogen by nitrogen fixing bacteria in the soil. Animal waste containing nitrogen also enters the soil where it is broken down so it can be absorbed.

A relationship where one organism benefits and one organism is negatively affected.

A relationship where one organism benefits and one organism has no effect.

A relationship where both organisms benefit.

the movement of nitrogen between the atmosphere, biosphere, and geosphere

The movement of carbon between the atmosphere, biosphere, geosphere, and oceans.

an animal’s role in society

When water evaporates from plant’s leaves in the hydrologic cycle

Each time you move up the food pyramid you multiply 10% times the amount of organisms.

how organisms turn food into useable energy

how plants make food

food chain- single transfer of energy food web- multiple transfers of energy

the producer

competition between organisms of the same species

competition between organisms of different species

linear- increasing at the same rate exponetial- increasing at increasing rates logistic- s shape

The max of something a place can have.

• food - water

• drought - disease

• mortality • natality • immigtation • emigration

• more deserts - more oil being burned speeds up global warming