02.0A BIO What is Ecology? - Abiotic & Biotic Factors (PART A)

Abiotic Factors

The nonliving parts of an organism's environment.

Wind

The movement of air caused by differences in air pressure.

Temperature

A measure of how hot or cold something is.

Moisture

A small amount of water or other liquid, often in the form of small drops

Sunlight

Main source of energy for life on earth.

Rocks

A material made up of one or more minerals.

Soil

The loose, weathered material on Earth's surface in which plants can grow.

pH

A measure of how acidic or basic a solution is.

Salinity

A measure of the amount of salt dissolved in water.

Biotic Factors

All the living organisms that inhabit an environment.

Bacteria

Single-celled organisms that lack a nucleus; prokaryotes

Grasses

Plants with hollow, non-woody stems and narrow leaves

Frog

Amphibian that is originally a tadpole

Daffodil

Plants having showy often yellow flowers with a trumpet-shaped central crown

Birds

Animals that may or may not fly, with vertebra, lay eggs, have feathers

Snakes

Legless animals that evolved from lizards

Fish

A vertebrate that lives in the water and has fins.

Viruses

Made up of genetic material surrounded by a protein coat; which must invade living cells in order to reproduce

Mushroom

Fungi that breaks down dead organic matter and some can be eaten by humans.