Name: ________________________
Pod: ____________________________
Date: ________________________
Unit 2: Organisms and Envrionments
Exam Review
6.12A: Living Organisms and Cells
Key Concepts:

All living things are made of ______________________________________________.

Cells are the _______________________________________ _____________________________________ of living things – they are the
smallest part of an organism.

Some organisms are __________________________________________ - they are made of only ___________________________ cell.
o

Example: _________________________________________
Some organisms are ___________________________________________ - they are made of ___________________________ than one
cell.
o
Example: _________________________________________
6.12B: Prokaryotic vs. Eukaryotic
Key Concepts:

All cells can be classified as either ____________________________________ or _____________________________________________.
Prokaryotic
{List at least 3 characteristics about prokaryotic cells}
Eukaryotic
{List at least 3 characteristics about eukaryotic cells}
What is the main difference between a prokaryotic cell and a eukaryotic cell?
6.12C: Domains
Key Concepts:

Biological taxonomy is the
_______________________________________________
of life into
__________________________________________.

All organisms are grouped based on their
___________________________________________.
What are the three Domains and what kind of cells do they have?
Homework: Finish review packet and study for Unit 2 test.



The broadest category organisms are classified into is
known as
_______________________________________________.
After Domains, the next category is known as
_______________________________________________.
Organisms are placed into a Domain based on the presence
or absence of a
_______________________________________________.
Name: ________________________
Pod: ____________________________
Date: ________________________
6.12D: Kingdoms

Define the following basic characteristics of organisms.
Prokaryotic –
Eukaryotic –
Unicellular –
Multicellular –
Autotroph –
Asexual Reproduction –
Sexual Reproduction –
Heterotroph –
Fill in the table below about the six recognized Kingdoms. Include the basic characteristics that classify cells into those Kingdoms.
Bacteria
Archaea
Protista
Fungi
Plantae
Animalia
6.12E: Biotic vs. Abiotic Factors
Biotic Factors:

The __________________________________ factors are the ___________________________________ components of an ecosystem.
o
This also includes the __________________________________ the living organisms play within the ecosystem.
List some biotic factors that might be found in an ecosystem?
Abiotic Factors:

The __________________________ factors are the __________________________________________ components of an ecosystem.
o
These factors ______________________________________ affect living organisms and their ability to
_______________________________ and ____________________________________________.
List some abiotic factors that might be found in an ecosystem?
Homework: Finish review packet and study for Unit 2 test.
Name: ________________________
Pod: ____________________________
Date: ________________________
6.12F: Levels of Organization

List the levels of organization of ecosystems from least complex to most complex.

Give an example of an organism: _________________________________________________________________________________________

Give an example of a population: _________________________________________________________________________________________

Give an example of a community: ________________________________________________________________________________________

Give an example of an ecosystem: ________________________________________________________________________________________
Practice Questions
1.
All leopard frogs in a pond make up the pond’s leopard frog:
a. Population
b. Niche
c. Community
d. Ecosystem
2.
Which of the following would be distributed throughout a
prokaryotic cell, but be found restricted to the nucleus of a
eukaryotic cell?
a. Ribosomes
b. DNA
c. Cell Membrane
d. Chloroplasts
3.
You are asked to classify an organism that is unicellular, makes its
own food, reproduces asexually, and has membrane-bound cell
structures. In which Domain and Kingdom would you place this
organism? Explain.
Homework: Finish review packet and study for Unit 2 test.
4.
Create a diagram showing the levels of organization in an
ecosystem.
5.
An organelle that eukaryotes have, but prokaryotes do not have
is a –
a. Cell membrane
b. Nucleus
c. Cytoplasm
d. Ribosome
6.
An ecosystem is made up of:
a. Biotic things only
b. Physical environment only
c. Biotic things and the abiotic parts
d. Biotic things and decaying matter
Name: ________________________
Pod: ____________________________
Date: ________________________
7.
Which of the following characteristics can be used to classify an
organism into a taxonomic domain?
a. Being Unicellular or multicellular
b. Mode of reproduction
c. Being heterotrophic or autotrophic
d. Presence of a nucleus in cells
11. Distinguish between the terms autotroph and heterotroph.
8.
An organism called Euglena is represented in the diagram.
The Euglena can be classified as eukaryotic due to the presence
of which labeled part?
12. A macaw is a type of parrot with colorful feathers that flies about
in the upper canopy of trees in tropical rainforests. Macaws have
a diet which includes fruits, leaves, nuts, and seeds of plants.
Which of the following describes a biotic factor of the Macaw’s
habitat that provides a survival advantage for these birds?
a. The colorful feathers are lost and regrow each
year.
b. Some rainforest predators are able to climb trees.
c. Trees provide shelter and abundant food supplies.
d. During some periods, rain falls nearly every day.
13. Identify the broadest taxonomic classification of living organisms.
Name the groupings within this taxonomic classification.
a.
b.
c.
d.
9.
Part A, which allows the cell to turn sunlight into
food.
Part B, which allows the cell to move itself from
place to place.
Part C, which is centrally located and stores
genetic material.
Part D, which allows the organism to store water.
Define biotic in your own words.
10. Of the characteristic comparisons in the list below, which option
is one of those used for classifying an organism into a taxonomic
Kingdom?
a. Internal skeleton/Exoskeleton
b. Multicellular/Unicellular
c. Broad leaves/Narrow leaves
d. Has nucleus/Does not have nucleus
Homework: Finish review packet and study for Unit 2 test.
14. A chimpanzee and a pine tree have very little in common.
However, because they are both living things, we can be certain
that they both –
a. Are made of one or more cells.
b. Use sunlight to make their own food.
c. Travel with other members of their species.
d. Have a skeleton which allows them to move.
Name: ________________________
Pod: ____________________________
Homework: Finish review packet and study for Unit 2 test.
Date: ________________________