LS1.5

Which is an activity that a single-celled organism cannot perform?

• eating

• walking

• reproducing

• removing waste

Which is the best way to classify grasshoppers?

• Grasshoppers are multi-celled organisms because they are made up of one cell that carries out all of their life processes.

• Grasshoppers are single-celled organisms because they are made up of one cell that carries out all of their life processes.

• Grasshoppers are single-celled organisms because they are made up of many cells that carry out all of their life processes.

• Grasshoppers are multi-celled organisms because they are made up of many cells that carry out all of their life processes.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

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

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 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 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

NGSS.MS-LS2-4