2.7 Biotic and Abiotic Influences on Ecosystems

Multiple Choice

Which of the following is an EXAMPLE of a limiting factor?

• Water

• the color of the sky

• Migration

• Thick fur

Multiple Choice

An organism's ability to survive and reproduce under a range of environmental conditions is known as 

• niche

• habitat

• tolerance

• symbiosis

Multiple Choice

_{Any thing or organism that regulates the size of a population is known as __________.}

• a limiting measure

• a limiting factor

• carrying capacity

• biodiversity

Multiple Choice

A relationship between two species where one benefits while the other is harmed.

• Mutualism

• Commensalism

• Parasitism

• Naturalism

Multiple Choice

What best describes the relationship between bees and plants.

• mutualism

• parasitism

• neutralism

• commensalism

Multiple Choice

A tapeworm and a cat have this type of relationship.

• mutualism

• parasitism

• commensalism

• competition

Multiple Choice

Red-billed oxpeckers  feed on parasites found on an Impala. The impala gets rid of parasites and the red-billed oxpeckers get yummy dinner. This is an example of _______.

• commensalism

• mutualism

• neutralism

• competition

Multiple Choice

A relationship between two organisms in which one organism benefits and the other is unharmed

• Mutualism 

• Competition

• Parasitsm 

• Commensalism 

Multiple Choice

_{What is the carrying capacity of the graph?}

• around 500

• more than 500

• less than 500

• around 600

Multiple Choice

Which of the following would INCREASE the carrying capacity of an ecosystem?

• increase in predators

• increase in available food

• drought

• disease