Organism Relationships

What animal famously demonstrated an example of natural selection in 1800's Britain?

• Bald eagle

• Peppered moth

• Anopholes mosquito

• Badger

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What is an ecological niche?

• The role an organism plays in its environment

• A predator that has gone extinct

• A wetland that borders a swamp and a marsh

• A type of natural disaster

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Two bald eagles fighting over a dead salmon is an example of:

• Interspecific competition

• Competitive exclusion

• Intraspecific competition

• Niche partitioning

The long tail feathers of a peacock are considered to be an adaptation because:

• They get longer each year

• They help the peacock reproduce

• They make it easier for predators to catch the peacock

• They are the result of a mutation on a recessive gene

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The competitive exclusion principal states that:

• Each predator must focus on just one type of prey

• Moose and Elk don't normally inhabit the same continent

• Only alpha wolves get breeding rights

• Two species may not occupy the same niche

Which of the following is an example of niche partitioning?

• Tigers living in Asia, and Zebras living in Africa

• White-tailed deer (Odocoileus virginianus) sharing a field

• Different species of warblers feeding in different parts of a tree

• Ducks smiling at you while you are fishing

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What parasites cause malaria in humans?

• Plasmodia

• Ticks

• Cryptosporidia

• Toxoplasma

Among organisms which have a commensalistic relationship:

• Neither species benefits

• Both species benefit

• One species benefits while the other is harmed.

• One species benefits, while the other is unaffected.

Which two species have a mutualistic relationship?

• Rhinoceros and Oxpecker bird

• Crocodile and Gnu

• Dog and Tick

• Prickly pear and Cactus moth

Which scientists are famous for describing the population dynamics of predators and their prey?

• Watson and Crick

• Ren and Stimpy

• Lotka and Voltera

• Mari and Pierre Curie

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