Ecology Test

_________ refers to the temperature and precipitation (amount of rainfall) in a particular environment.

____________ require a certain amount of food, water, space and shelter to survive and reproduce.

Anything that prevents a population from growing larger is a

Limiting factors include

A naturally occurring event that can have an effect on the ecosystem is a

Examples of natural hazards include floods, hurricanes and

Disruptions to any component of an ecosystem can lead to shifts in diversity and abundance of

Changes in the amount of resources available in the environment can lead to _________________ for food, water, space or shelter.

Soil particles have open spaces called _______ that allow water to flow through.

How freely water flows through soil is called

Texture names include loam, sandy clay loam, silt loam or clay depending on the _______ of sand, silt or clay in the soil.

Texture affects the amount of __________ that can be absorbed for use by plants and animals.

Soil quality is measured by properties such as permeability and

Combinations of sand, silt and clay in soil determines the soil type, what types of _________ that grow in it as well as animals that can live in it.

The decayed organic matter in soil is ________.