Is it possible for an organism to survive with only one cell?

yes, as long as the organisms can perform all functions needed for life in that one cell

no, because organisms need many cells to be able to perform functions for life

yes, as long as the organism has multiple specialized parts with each performing a specific function

no, because organisms cannot complete all necessary functions for life in such a small space

Which is a characteristic of most single-celled organisms?

They perform all life processes.

They have a complex nervous system.

They contain several different types of cells.

They have a circulatory and a respiratory system.

Which statement best explains how a bacterial cell is capable of surviving as a single-celled organism?

It has the ability to carry out all of its life functions.

It is able to create new cells more slowly than other kinds of cells.

It is large enough to capture the food it needs for growth.

It is so small, it can survive in almost any place.

Which statement best describes a bacterial cell?

It contains more than one cell.

It is part of a larger organism.

It contains different kinds of cells.

Which characteristic do single-celled organisms and multicellular organisms have in common?

Both have a way to get rid of waste materials.

Both have cells with specialized functions for each life process

Both perform all life processes within one cell

Both are able to make food from sunlight.

A scientist is trying to decide whether an organism is unicellular or multi-cellular. Which information would help the scientist most to make her decision?

how many types of cells are in the organism

size of the cells of the organism

What is the primary function of the cell membrane in single-celled organisms?

To control the movement of substances in and out of the cell

Which of the following is a characteristic of single-celled organisms like amoebas?

They can perform all necessary life functions within one cell

They have specialized tissues for different functions

They have a complex nervous system

Cells and Single Cell Organisms

Authored by Lisa Thompson

Science

5th Grade

NGSS covered

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

The simplest structures that can carry out all of the activities characteristic of life are:

cells

molecules

atoms

crystals

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cells are the building blocks of:

living things

matter

energy

rocks

Tags

NGSS.MS-LS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Nutrients and oxygen enter cells through the

cell membrane

mitochondria

ribosomes

nucleus

Tags

NGSS.MS-LS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following structures is most likely to be found in both a spinach cell and a muscle cell?

nucleus

chloroplast

large, water-filled vacuole

cell wall

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which organism is best classified as a single-celled organism?

grasshopper

pine needle

bacteria

Tags

NGSS.MS-LS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a single-celled organism?

bacteria

seaweed

ants

Tags

NGSS.MS-LS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which organism is single-celled?

bacteria

tree

dog

Tags

NGSS.MS-LS1-1

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Cells and Single Cell Organisms

The simplest structures that can carry out all of the activities characteristic of life are:

Cells are the building blocks of:

Nutrients and oxygen enter cells through the

Which of the following structures is most likely to be found in both a spinach cell and a muscle cell?

Which organism is best classified as a single-celled organism?

Which of the following is a single-celled organism?

Which organism is single-celled?

Which is an example of a single-celled organism?

Which one of the following is a single-celled organism?

Which organism is best classified as a single-celled organism?

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