Traits and Variations

Why do the puppies look different from their mom and dad?

• Puppies of the same litter do not all look the same.

• The puppies look different from their mom and dad because they have inherited traits from both the mom and the dad.

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NGSS.MS-LS3-2

What are some examples of types of traits?

• They all had long tails and pointed ears and height and hair color in humans.

• eye color, height and hair color in humans. In the puppies, common examples include fur color, ear shape, tail length, size and snout length

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How might the position of a baby alligator’s eyes affect its chance of survival?

• it may be more likely to survive because it can better detect predators

• If one alligator’s eyes are positioned so that it can see more than another,

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NGSS.MS-LS4-4

What were some of the similarities between the individual lemurs?

• The lemurs were similar in shape and size. They all had long tails and pointed noses.

• The lemurs were similar in shape and size. They all had long tails and pointed ears.

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NGSS.MS-LS4-2

What were some of the differences between the individual lemurs?

• The different lemurs had differences in fur color and patterns.

• One had a different color fur on its head

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NGSS.MS-LS4-4

Why might different species in the same environment share some traits?

• Different species in the same environment might have similar challenges in surviving. For example, white fur on polar bears and white fur on arctic bunnies helps both of them blend into the snow.

• Different species in the same environment might have different challenges in jumping. For example, white fur on dogs and white fur on arctic cats helps both of them blend into the sand.

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NGSS.MS-LS2-2

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Which of these environmental factors might positively impact a plant’s traits?

• fertilizer

• dry soil

• flooding

• too much sunlight

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The children of animal parents (that includes humans too!)

• Inherit

• Offspring

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NGSS.MS-LS3-2

An animal that eats other animals

• Predator

• prey

Characteristics of an individual that can be inherited from parents

• Traits

• predator

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NGSS.MS-LS3-2