Animal Behavior & Biodiversity

What is THE most major cause of extinction today?

• habitat destruction by humans
• poaching
• disease
• hunting

Define habitat fragmentation.

• The excessive use of a species that has economic value.
• All species dying in one area
• The different environmental conditions that occur along the boundaries of an ecosystem.
• The separation of an ecosystem into small areas.

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How can habitat disruption affect biodiversity?

• It can lead to loss of biodiversity.
• It will lead to new species taking over all of the habitats.
• It will lead to climate change.
• It will cause the animals to get sick.

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A kind of behavior common to some newly hatched birds or newly born animals that causes them to adopt the first person, animal, or object they see as their parent

• imprinting
• colony
• scout bees
• stallion

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A Belding’s ground squirrel will issue an alarm to other members of its family when it detects a threat from a predator. In some cases, the squirrel will put itself in danger and sacrifice itself for the survival of its family members. This type of altruism is called

• conditioning
• kin selection
• aggression
• dominance hierarchy

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Social behaviors of animals are adaptive, meaning that interacting within a social group ultimately increases an animal’s 

• competition
• resources
• survival fitness
• diversity

Often times, male birds will have colorful, showy feathers and will use a dance and display to attract a mate.  This is an example of

• imprinting
• habituation
• territoriality
• courtship

The process shown here is called __.

• biomagnification
• eutrophication
• invasive species
• mass extinction

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The fish-eating bird in this food chain likely have the LARGEST _________.

• concentration of DDT
• amount of energy
• biomass
• numbers

A hyena that shows its fangs, snarls, and raises its fur on its back is displaying 

• aggression
• dominance hierarchy
• imprinting
• insight learning