Ecological Succession Crawford

Ecological Succession

Multiple Choice

Sustainable means

• can not be reproduced

• capable of being maintained at a steady level without exhausting natural resources or causing severe ecological damage

• can only be maintained with assistance of humans

• causes severe damage to the environment

Multiple Choice

A population

• the collective sum of all the organisms in a given area

• the number of all plant species in an area

• is a group of organisms of the same species living in the same area

• the number of all animal species in an area

Multiple Choice

A species is

• all the plants and animals in area

• a group of similar organisms that can produce offspring

• animals that have mutations that can not reproduce

• all the plants in a specific biome

Multiple Choice

A pioneer species

• the first animal species that was ever recorded

• the first species to populate and live in an area

• the first plant species that was ever recorded

• the living organisms first brought to this country by pioneers

Multiple Choice

Ecological succession is

• when ecosystems die from neglect

• a gradual change over hundreds or thousands of years

• a change that is immediate after a catastrophic event

• succession happens only in aquatic ecosystems

Multiple Choice

Primary succession occurs where

• where an ecosystem existed but was destroyed by a limiting factor

• occurs only in aquatic systems

• no previous ecosystem has ever existed

• occurs only after a fire

Multiple Choice

Secondary succession is

• succession that occurs where no other ecosystem has ever existed

• occurs only in wetlands

• occurs after a volcanic eruption

• a series of changes that occur after a disturbance in an existing ecosystem

Multiple Choice

A climax community is

• the end state of succession where the community of organisms can sustain themselves

• occurs at the beginning of succession

• occurs only in primary succession

• occurs only in secondary succession

Multiple Choice

Adaptation is

• created by dominant alleles

• something that all organisms learn from each other

• a limiting factor to an organism

• a characteristic or trait that helps an organism survive in its environment

Multiple Choice

A niche is best described as____and an example would be a ____

• an organism's job or role in an ecosystem, bee

• a special adaptation to fit in an environment, water

• a genetic mutation, monkey

• a disability, rabbit

Open Ended

Describe the difference between primary and secondary succession in your own words.