Ecology Vocabulary II

A ______ refers to the role/job of an organism in its environment that includes how it gets food and interacts with other living things

• habitat

• niche

• role

• species

What is the relationship between two organisms of different species that live together in direct contact?

• parasitism

• symbiosis

• mutualism

• commensalism

What is the relationship in ecology where one organism benefits at the expense of another organism?

• parasitism

• commensalism

• symbiosis

• mutualism

What is a graphical representation of energy flow in an ecosystem?

• energy pyramid

• energy chain

• food chain

• food web

Organisms moving into another environment or join a new population refers to _____.

• immigration

• invasive species

• abiotic factors

• emigration

What is the maximum number of organisms an ecosystem can sustain is known as?

• limiting factor

• population density

• carrying capacity

• ecological ability

What is the introduction of a non-native species to a new ecosystem where they negatively affect the environment called?

• endangered species

• invasive species

• extinct species

• natural hazard

What is the interaction between organisms where one individual hunts, kills, or consumes another organism known as?

• prey

• emigration

• predation

• parasitism

Anything that prevents a population from growing larger can be considered as a _______ .

• population density

• carrying capacity

• natural resource

• limiting factor

Soils made up on equal parts sand, silt, and clay is known as ____.

• Topsoil

• Subsoil

• Litter

• Loam