Ecology vocabulary 1

a living organism that shapes its environment.

a resource or environmental condition which limits the growth, distribution or abundance of an organism or population within an ecosystem. Examples include hunting, predators, disease, weather, amount of food and water.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

non-living part of an ecosystem that shapes its environment.

Tags

NGSS.MS-LS2-3

Match the following

• organism

• consists of all the organisms of a particular species living in a given area

• population

• an individual animal, plant, or single-celled life form

• community

• all of the organisms in an area plus the nonliving parts of their environment

• ecosystem

• consists of all the populations of all the species that live together in a particular area

one organism benefits from, and is often completely dependent on, the other for food, shelter, or locomotion, with no obvious effect on the host.

• predation

• mutualism

• commensalism

• parasitism

• competition

both partners benefit from the interaction, often resulting in a significant fitness gain for either one or both organisms

• parasitism

• predation

• competition

• commensalism

• mutualism

Tags

NGSS.MS-LS2-2

What type of symbiosis is occurring when wolves and coyotes eat the same prey?

• mutualism

• competition

• commensalism

• parasitism

the non-mutualistic form of symbiosis, occurring when one of the organisms benefits at the expense of the other

• parasitism

• mutualism

• commensalism

• predation

• competition

What type of symbiosis is occurring when an owl eat a mouse?

• parasitism

• predation

• mutualism

• commensalism

• competition

What is an ecological change that happens when a predator is removed from the food pyramid?

• symbiosis

• trophic cascade

• population density

• food web

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4