Biodiversity

Front

Cattle egrets forage in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not. Options: mutualism, commensalism, competition, parasitism

Back

commensalism

Front

What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. Options: commensalism, mutualism, parasitism, predation

Back

mutualism

Front

Red-billed oxpeckers feeding on parasites that infest impala is an example of _______. Options: commensalism, mutualism, neutralism, competition

Back

mutualism

Front

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants. Options: Predation, Parasitism, Commensalism, Mutualism

Back

Parasitism

Front

Water and food are examples of _____________ for populations

Back

limiting factor

Front

If an area has all the wolves that it can support, the wolf population has reached its _______________________.

Back

carrying capacity

Front

Examples of how ____________ can affect the size of a population: A flood that covers a meadow and drowns animals, and a late frost that kills young plants.

Back

weather

Front

What factor describes when populations increase because animals are moving into a population?

Back

Immigration

Front

What occurs when organisms move out of an ecosystem that is in chaos? Options: Immigration, Emmigration, Birth Rate, Death Rate

Back

Emmigration

Front

What is an invasive species?

Back

A non-native (not naturally found) species added to an area.