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Life Science

Authored by Tamika West

Science

8th Grade

Used 3+ times

Life Science
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is the smallest unit of living things?

Cells

Atoms

Molecules

Compounds

Answer explanation

Cell is the basic unit of life

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the correct sequence of organization in a multi-cellular organism?

Cell →tissue →organ system → organ

Organ system → cell →tissue→organ

Tissue →cell →organ→organ system

Cell →tissue→organ→organ system

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What term describes 2 or more tissues that work together to perform a specific job?

cell

organism

organ

system

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is NOT a principal of cell theory?

All living things are made of one or more cells.

All cells are exactly the same.

All new cells come from preexisting cells.

The cell is the smallest unit of life.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best explains how cells coming from other cells applies to all organisms?

The cells of all organisms excrete waste.

The cells of all organisms have cytoplasm

The cells of all organisms divide to make more cells

Cells of all organisms take in nutrients from the environment

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kayla summarizes the cell theory to her class. She states that all organisms are made up of one or more cells. Which pair of statements correctly completes her summary?

All cells come from existing cells, and all cells have the same parts

All cells are the same size, and the cell is the basic unit of all organisms

The cell is the basic unit of all organisms, and all cells have the same parts

The cell is the basic unit of all organisms, and all cells come from existing cells

Answer explanation

scientific theory of cells (cell theory):

1. all organisms are composed of cells (single-celled or multi-cellular)

2. all cells come from preexisting cells

3. cells are the basic unit of life

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organelle contains the DNA of the cell?

cytoplasm

nucleus

vacuole

cell membrane

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