Cells

What common traits would models of different unicellular organisms share?

• They would all be made of many cells with cell walls.

• They would all have chloroplasts to trap sunlight and create their own food.

• They would all have one cell with smaller parts that do different jobs within the cell.

Tags

NGSS.MS-LS1-2

This plant cell contains multiple structures that help it survive. Some of these structures are different than an animal cell. Based on the diagram, which structures distinguish it as a plant cell and not an animal cell?

• Structures 1 and 3

• Structures 2 and 3

• Structures 3 and 4

Tags

NGSS.MS-LS1-2

Some students are comparing the parts of the body to parts of the cell. Which body part best represents the cell membrane and why?

• the brain because it controls your body

• the stomach because it breaks down food

• the skin because it surrounds and protects your organs

Tags

NGSS.MS-LS1-2

Which of these statements explains a key difference between unicellular and multicellular organisms?

• Only multicellular organisms can photosynthesize.

• The cells of unicellular organisms are much smaller than the cells of multicellular organisms.

• Multicellular organisms have cells, not just organelles, that carry out specific functions.

Tags

NGSS.MS-LS1-3

What question can a biologist ask to determine if an object is living?

• Does the object move?

• Does the object breathe?

• Is the object made up of cells?

Tags

NGSS.MS-LS1-1

A student is studying cells and uses a school as a model to represent the cell. Which organelle matches the outside fence - where students enter and leave the school?

• cell membrane

• mitochondria

• nucleus

Tags

NGSS.MS-LS1-2

A student is studying cells and uses a school as a model to represent the cell. Which organelle matches the cafeteria - where food is eaten and provides students with energy?

• cell membrane

• mitochondria

• nucleus

Tags

NGSS.MS-LS1-2

A student is studying cells and uses a school as a model to represent the cell. Which organelle matches the principal’s office - where the principal controls the activities and functions of the school?

• cell membrane

• mitochondria

• nucleus

Tags

NGSS.MS-LS1-2

Would the following statement apply to unicellular organisms, multicellular organisms, or both?

-living

• multicellular

• unicellular

• both

Tags

NGSS.MS-LS1-1

Would the following statement apply to unicellular organisms, multicellular organisms, or both?

-made of a single cell

• multicellular

• unicellular

• both

Tags

NGSS.MS-LS1-1