LS1.1

A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientistmost to make her decision?

• size of the cells of the organism

• what the organism eats

• how many types of cells are in the organism

• how fast the organism grows

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Identify the producers in this food web.

• grass, weeds and trees

• grasshoppers and bees

• lion, hawk and snake

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Identify one possible cause and effect in this food web if the mouse population died out.

• There are no mice, so there would be less grasshoppers causing there to be more grass.

• There are no mice, so there would be more grasshoppers causing there to be less grass.

• There are no mice, so there would be more snakes causing there to be more hawks.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is an invasive species?

• An organism that lives in its natural environment and causes harm.

• An organism that goes into an environment that it is not native to and causes harm.

• An organism that lives in its natural environment.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is a population?

• a group of the same type of organism living in the same area.

• organisms that eat other organisms in their habitat.

• the amount of people living in an area.

What is an organism?

• something that eats other things

• an animal

• a living thing

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

What is a habitat?

• the natural environment of an organism

• the invaded environment of an organism

• a biological community of interacting organisms and their physical environment.

What is an ecosystem?

• the natural environment of an organism

• the invaded environment of an organism

• a biological community of interacting organisms and their physical environment.

Tags

NGSS.MS-LS2-3

What is a producer?

• An organism that has to eat/hunt for food.

• An organism that makes its own food.

• An organism that survives on other organisms.

Tags

NGSS.MS-LS2-3

What is a predator?

• An organism that eats other organisms and hunts for food.

• An organism that gets eaten by other organisms.

• An organism that eats dead things.

• An organism that breaks down matter.

Tags

NGSS.MS-LS2-3