CFA 5 review: plant and animal reproduction

Which behavior would most likely increase the chances of successful reproduction in the Frigate bird?

• Flying down from a branch

• Using its beak to dig out worms

• Filling its red throat sac with air

• Using its feathers to hide from predators

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A male peacock most likely raises his tail feathers because...

• it wants to absorb as much heat from the sun

• it wants to catch wind so he can fly

• it wants to stretch

• it wants to impress a female peacock

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Which behavior most likely causes a male humpback whale to attract a female?

• Singing to the female

• Using its blowhole to spout water out

• Swimming to deeper depths in the ocean

• Eating as much krill as they possibly can.

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Which is the best piece of evidence to support the claim that male peacocks with longer and brighter tail feathers reproduce more often?

• Male peacocks with brighter feathers are seen more often with female peacocks.

• Male peacocks with longer and brighter tail feathers live longer than those with short and dull tail feathers.

• Male peacocks with longer and brighter tail feathers receive more attention at the zoo.

• The offspring (babies) often have long and bright tail feathers

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Which piece of evidence best supports the claim that ostriches have certain behaviors to increase their chances of reproduction?

• The ostrich often dig their heads into the sand

• The male ostrich chases the female ostrich

• Females shake their feathers to indicate that the male's dance impressed her

• The male ostrich lay on the ground and perform an elaborate dance

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How do cones increase the chances of successful reproduction in plants?

• The cones give nutrients to the seeds

• The cones protect the seeds to ensure they reach maturity

• The cones require less energy to make

• The cones absorb energy from the sun

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Which of the following plant structures DOES NOT contribute to increasing the chances of successful reproduction?

• Stem

• Flowers

• Fruits

• Spores

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Which of the following structures most likely contributes to increasing the chances of reproduction in cactus?

• The spines

• Long reaching roots

• The cactus fruit

• Hard stem

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Which is the best evidence to support the claim that flowers increase the chances of reproduction in plants?

• The flowers generally smell nice

• The flowers attract birds and insects

• Birds and insects are seen going to multiple flowers and spreading pollen

• Most plants with flowers also have fruits

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Which is the best evidence to support the claim that plants have specialized structures to increase their chances of reproduction.

• Plants that produce fruit have their seeds scattered in many new areas without competition

• Some plants develop defensive mechanisms to fight off predators

• Some plants have lightweight seeds that fly off in the wind

• Some plants have seeds that are buoyant and can travel large distances in the water

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