Survival of Species

Who first proposed a process by which species change over many generations?

• Marie Curie
• Alexander Fleming
• Charles Darwin
• Robert Hooke

A male bumble bee uses pheromones to lure a female where he can mate with her. The male flies along, marking plants with his perfume. Once he sets his "traps," he patrols his territory waiting for a female to land on one of his perches. Bees that cannot mark plants this way eventually die off. This is known as

• Genetic behavior
• Natural Selection
• Learned behavior
• Selective breeding 

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Most foxes of the desert have a reddish brown coat but the artic fox has a white coat. How has this adaptation allowed the arctic fox to survive over many years?

• it gives it warmth during the summer
• it makes the fox look meaner
• it keeps it warm
• it protects it from predators using camouflage 

Chameleons eyelids are fused, and cover almost the entire eyeball, except for a small hole to let the pupil see through; each eye can be moved independently from the other. As a prey species, chameleons have eyes have adapted like this to

• give better focus to catch moving prey
• see a long distance
• allow them to see over a wider area allow them to detect predators
• spot humans 

 characteristic or trait that helps an organism survive in its environment

• skills
• speciation
• natural instinct
• adaptation

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Charles Darwin noticed that birds of the Galapagos Islands were very similar in size and shape but their beaks were very different. What is the explanation for birds having different beaks? 

• gathering food
• building nest
• fighting
• scaring predators

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An environment has a type of bug where some are red and some are blue. The red bugs always have red offspring and the blue bugs always have blue offspring. The birds in the environment always eat the blue bugs first. Over a long period of time, there will be

• more blue bugs than red bugs
• only red bugs in the environment
• only blue bugs in the environment
• changes in the red bugs so the birds will want them

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Frogs have webbed feet that help them to swim in water. Webbed feet in frogs are an example of a

• niche
• variation
• adaptation
• learned behavior

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Almost all adaptations started off as?

• selective breeding
• physiological
• structural
• mutation

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Any inherited trait that gives an organism an advantage in its environment is called ___.

• a mutation
• an adaptation
• evolution
• natural selection

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