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WorksheetsLevel of Organization 3
Total questions: 18
Worksheet time: 18mins
Name
Class
Date
1.
A collection of cells with similar functions form ____
a)
an organ
b)
a tissue
c)
an organism
d)
an organ system
2.
What is considered to be the lowest level of organization in a multicellular organism?
a)
cell
b)
organ system
c)
tissue
d)
organ
3.
Sieve-tube cells and companion cells work together to transport sugar and nutrients inside plants. Together sieve-tube cells and companion cells form ___
a)
a tissue
b)
an organ
c)
an organ system
d)
organism
4.
The smallest units of life in plants are ____
a)
tissues
b)
cells
c)
organs
d)
organ system
5.
The smallest units of life that make up all living things are ____
a)
tissues
b)
cells
c)
organs
d)
organ systems
6.
The stomach, small intestines, and large intestine are all organs. When they work together to process food, they form a functional unit known as _____
a)
an organism
b)
an organ system
c)
a tissue
d)
a cell
7.
Which of the following correctly orders the organization in plants and animals from least to complex?
a)
Cell --> Organ --> Tissue --> Organ System --> Organism
b)
Atom --> Cell --> Organ --> Tissue --> Organism
c)
Cell --> Tissue --> Organ --> Organ System --> Organism
d)
Organism --> Organ System --> Organ --> Tissue --> Cell
8.
Tissues working together to perform specialized functions are called ___
a)
an organ
b)
an organism
c)
a population
d)
a cell
9.
In the sequence from simplest to most complex level of organization, which level is one level more complex than cells?
a)
Cells
b)
Tissues
c)
Organ Systems
d)
Organisms
10.
Lungs, Diaphragm, Brain, Ribs, Skulls, and Heart are all examples of ____
a)
Cells
b)
Organs
c)
Tissues
d)
Organ Systems
11.
The root and shoot systems in plants work together to form a more complex organization known as ______
a)
a cell
b)
an organism
c)
a tissue
d)
an organ
12.
In humans, the heart is an organ that pumps blood through blood vessels. The combination of the heart and blood vessels is classified as _____
a)
a tissue
b)
an organ
c)
an organ system
d)
an organism
13.
Water moves inside plants using xylem, a structure made up of a collection of cells that form the tube-like xylem. Xylem is classified as ______
a)
a tissue
b)
an organ
c)
an organ system.
d)
an organism.
14.
The respiratory system is made up of the airways, lungs, and respiratory muscles. The lungs are classified as ______
a)
cells
b)
tissues
c)
organs
d)
organisms
15.
Xylem tissue transports water inside plants. Xylem tissue is made up of _____
a)
cells.
b)
organism.
c)
organs.
d)
organ systems.
16.
the roots of a plant help to anchor the plant to the soil, and are also used for food storage and water extraction. Roots are made up of tissues, such as xylem, phloem, and pith. In which level of organization would the roots of a plant most likely be classified?
a)
cell
b)
organ system
c)
tissue
d)
organ
17.
Hepatocytes are the main type of cells in the liver. Hepatocytes combine to form the next more complex level of organization, called _____
a)
an organ
b)
a tissue
c)
an organism
d)
an organ system
18.
Neurons rapidly communicate information throughout the body. Neurons combine to form tissue in the organ known as the brain. Neurons are classified as ____
a)
cells
b)
tissues
c)
organs
d)
organisms
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