Semester 2 Review

The process by which organisms that are best adapted to their environment are most likely to survive and reproduce is called what?

• natural selection

• biodiversity

• selective breeding

• photosynthesis

Tags

NGSS.MS-LS4-4

How do you use a dichotomous key?

• for each organism, start at whatever step you want

• for each organism, always start at the last step

• for each organism, always start at the first step

• for each organism, start at the last step you used on the last organism

When organisms are bred by humans to have certain characteristics that is called what?

• external adaptation

• selective breeding

• internal adaptation

• natural selection

Plants give off_____ and take in _______.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

• water, sugar

• carbon dioxide, hydrogen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

The peppered moth changing dark over time to match the forest is an example of what?

• selective breeding

• photosynthesis

• natural breeding

• natural selection

Tags

NGSS.MS-LS4-4

What are the 3 ingredients needed for a plant to perform photosynthesis?

• water, sugar, oxygen

• carbon dioxide, water, sunlight

• carbon dioxide, water, sugar

• oxygen, water, sunligh

Tags

NGSS.MS-LS1-6

What is created during photosynthesis?

• oxygen & carbon dioxide

• oxygen & glucose

• carbon dioxide & glucose

• hydrogen & oxygen

Tags

NGSS.MS-LS1-6

In the energy pyramid shown, where does the snake get its energy from?

• other snakes

• eagle

• rabbits

• grass

Tags

NGSS.MS-LS2-3

Primary succession starts from

• bare rock

• an old farm

• an old logging area

• a forest that has burnt down

The first organisms to live in an area are called what

• secondary consumers

• primary consumers

• the first organisms

• pioneer species