Ecology Exam Review

Get in a seat, and get out your HW

• While I check HW define the following words…– Edge– Community– Population– Census– Biome– Habitat (4 components)

Define Ecology

Define Ecology

• study of living things and the interactions that take place among organisms and their environment

Describe each of the following terms:

• Biotic

• Abiotic

• Organic

• Inorganic

Describe each of the following terms:

• Biotic – living

• Abiotic – non-living

• Organic – related to something living

• Inorganic – never living

Describe a biome

• Biome

Describe each of the following terms:

• Biome - large geographic areas with similar climates and ecosystems

List the land biomes

• Includes:– TUNDRA– TAIGA or CONIFEROUS FOREST– DESERT– TROPICAL RAINFOREST– TEMPERATE RAINFOREST– DECIDUOUS FOREST– DESERT– GRASSLAND

Describe each of the following terms:

• Organism

• Species

• Population

• Community

Describe each of the following terms:

• Organism – one of any living thing

• Species – similar organisms that can reproduce

• Population - all the organisms that belong to the same species in an area

• Community - all the populations of different species that interact in an ecosystem

Describe each of the following terms:

• Ecosystem

• Habitat

• Niche

Describe each of the following terms:

• Ecosystem - all the living organisms that live in an area and the nonliving features of their environment

• Habitat - place where an organism lives

• Niche – an organism’s role in an ecosystem; how it gets food, lives

Describe each of the following terms:

• Limiting factor

• Carrying capacity

Describe each of the following terms:

• Limiting factor - anything that can restrict the size of a population

• Carrying capacity - largest number of individuals of a particular species that an ecosystem can support over time

Describe each of the following terms:

• Predator

• Prey

Describe each of the following terms:

• Predator – an animal that hunts and kills other animals for food

• Prey – an animal that is hunted and caught for food

Layers of the forest