LS1.6

Which best describes how single-celled and multicellular organisms are similar?

• Both require energy to survive.

• Both require fresh water to survive.

• Both require direct sunlight to survive.

• Both rely on many other cells to survive.

Bacteria often live inside the body of a living host, such as a dog. Which bestdescribes how bacteria carry out the processes necessary for survival?

• Bacteria borrow cells from the host to carry out life processes.

• Bacteria use their many different cells to carry out life processes.

• Bacteria are made up of one cell which is responsible for carrying out all life processes.

• Bacteria use their many different cells as well as cells from the host to carry out life processes.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Why do humans require many different types of cells to survive?

• Human cells are identical and work together to perform the same function.

• Human cells are specialized and work together to perform the same function.

• Human cells are identical and work independently to perform different functions.

• Human cells are specialized and work independently to perform different functions.

Tags

NGSS.MS-LS1-3

Mr. Erickson is teaching his students about cells. He provides the following description of an organism to the students.
This organism is small in size. It is very simple, and unlike many larger organisms, it does not function as a series of specialized systems.
Which best describes this organism?

• It completes all life functions with no cells.

• It completes all life functions with one cell.

• It completes all life functions with two cells.

• It completes all life functions with many cells.

Tags

NGSS.MS-LS1-1

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

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

Heat and pressure can change sedimentary rock into metamorphic rock.

• true

• false

Eroded sediments pushed in front of glaciers are called moraines.

• true

• false

Tags

NGSS.MS-ESS2-2

The process of erosion and deposition can be explained as

• wearing away, movement, and dropping of materials

• movement and dropping of rock fragments

• breaking and movement of rock

• weathering and dropping of materials

Tags

NGSS.MS-ESS2-2