Natural Selection (SI)

Front

What would happen if there was zero variation between all of the organisms on Earth?

Back

Evolution through natural selection would not occur.

Tags

NGSS.MS-LS4-4

Front

What does natural selection require in a population?

Back

genetically diverse.

Tags

NGSS.MS-LS4-4

Front

What allows natural selection and evolution to occur in trees during a drought? Options: differences in the characteristics of individual trees, increasing the height of the water table, using other plant parts instead of roots to absorb water, having an identical genetic make-up.

Back

differences in the characteristics of individual trees

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

Front

Effect of the Industrial Revolution on peppered moths in cities.

Back

The population of light-colored moths decreased and the population of dark-colored moths increased.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Front

Why has the percentage of black squirrels been increasing in Washington, DC, over the past century?

Back

Black squirrels have a survival advantage over gray squirrels.

Tags

NGSS.MS-LS4-4

Front

A deer is born with the ability to smell predators better than the other deer in its population. As a result, this deer has several seconds of warning every time wolves or other predators attack. This trait may be selected by natural selection because it increases the deer's _______. Options: ability to survive, ability to find food, sense of safety, ability to select mates

Back

ability to survive

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Front

Which of the following best describes how a species changes over time? Options: Members of a species that are best adapted to survive produce offspring with similar characteristics, while members with unfavorable traits do not survive., Members of a species with unfavorable traits produce offspring with similar characteristics, while members best adapted to survive do not reproduce., Members of a species that are best adapted to survive and members with unfavorable traits both produce the same number of offspring., Diversity among members of the species causes all members to stop producing offspring.

Back

Members of a species that are best adapted to survive produce offspring with similar characteristics, while members with unfavorable traits do not survive.

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Front

Jared sprayed a pesticide on his garden three times. The first time, many insects died. The second time fewer insects died. The last time very few insects died. What impact did the insecticide have on the species of insects?

Back

The species became more resistant to the insecticide.

Tags

NGSS.MS-LS4-4

Front

In order for natural selection to occur, what must be true about organisms within a population?

Back

organisms within a population must have some genetic variation.

Tags

NGSS.MS-LS4-4

Front

Why did fewer wild blackberry plants die from the disease each year?

Back

Plants that were resistant to the disease lived and reproduced.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4