Natural Selection

Which of these is not a characteristic of a population?

• living in the same area

• same size

• same type of organism

True or False: the fish in this image represent a population.

• True

• False

What is the main change in poisonous newts that has occurred over time?

• There has been more variety in their color

• There has been more variety in their size

• They have become more poisonous

• none

Tags

NGSS.MS-LS4-4

The specific characteristic of an individual organism is the definition of what?

• feature

• trait

• variation

• distribution

A characteristic that all members of a species have is defined as what?

• feature

• trait

• variation

• distribution

True or False: all members of this population have the same traits.

• True

• False

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

What is one feature that all members of this butterfly population have in common?

• size

• design

• antenna

• number of wings

How would you describe the traits of this population?

• All of the horses have the same traits because they are in the same population.

• This population has different traits for color: some are brown, some are black, some are gray, and some are white.

• None of the horses in this population have similar traits because they are all individuals.

• The horses in this population are all the same because they all have a coat, a mane, and a tail.

• These horses must not be a population because they have different traits.

Tags

NGSS.MS-LS4-4

Think about what you have learned so far about populations in general and the rough-skinned newt population in the park. What prediction would you make about the poison-level traits in this population?

• All of the newts have the same poison-level trait because they are from the same population.

• This population has different poison-level traits: some have low poison level, some have medium poison level, and some have high poison level.

• None of the newts in the population have the same poison-level trait because they are all individuals.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Differences in neck length, color, and fur are all examples of how traits can have ______________________________ within a population.

• distribution

• features

• traits

• variation

Tags

NGSS.MS-LS4-4