Reproduction in Plants and Animals

Some students are observing the behavior of a male bird in the schoolyard. Which of the following behaviors might increase the probability of reproductive success?

• Made a chirping sound

• Hopped along a tree branch

• Flew from a tree to the ground

• Flew away when a cat appeared

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NGSS.MS-LS1-4

NGSS.MS-LS4-4

Why do male peacocks have brightly colored feathers?

• The feathers will keep away the peahens (because the peahens are afraid of the brightly colored feathers.

• The feathers are used to help the peacock hunt for food. The male peacocks' feathers attract different types of insects.

• They are competing for mates. The females will be attracted to the male peacocks with the biggest and brightest tail feathers.

• They are competing for food. The males with the most colorful feathers will catch the most of the food such as small mammals, reptiles, small snakes, ants, millipedes, crickets, termites, centipedes, locust and scorpions.

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NGSS.MS-LS1-4

What specialized plant structure increases the probability of successful reproduction?

• Brightly colored petals

• Strong roots

• Dark green leaves

• The ability to hold in more water

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NGSS.MS-LS1-4

What is another reason why a male peacock has brightly colored feathers?

• hides from predators and blends in with the habitat

• scare off female birds because it does not want a mate

• find food to eat when there is not enough to eat in their habitat

• the predator will be attracted to the male, so the female will be safe

The process in which an organism produces more of its own kind is called-

• genetics

• reproduction

• adaptive behavior

• offspring

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NGSS.MS-LS3-2

Plants can reproduce in various ways. What two specialized structures help a plant reproduce?

• strong bark and large leaves

• no scent and brightly colored flowers

• attractive scents and sturdy stems

• brightly colored flowers and attractive scents

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NGSS.MS-LS1-4

Name three ways an animal can attract a mate-

• 1-

• 2-

• 3-

Name two ways that seeds can be transported-

• 1-

• 2-

The songs of birds are part of a ritual to attract mates of their own species. The song presents specific patterns recognized only by members of the same species (the same kind of birds). What ADVANTAGE does this present for that species of birds?

• Explain your answer-

• Use DETAILS!

Animals have developed characteristic behaviors that help in________________________the odds of being able to reproduce.

• decreasing

• equalizing

• leveling

• increasing

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NGSS.MS-LS1-4