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WorksheetsUnit 7 Classification of Organisms Review
Total questions: 21
Worksheet time: 16mins
A scientist wants to classify an organism into a taxonomic domain. What is the BEST method to use?
Look at what it eats (heterotrophic or autotrophic)
Determine how many cells it has (unicellular or multicellular)
Look at its cells for a nucleus (prokaryotic or eukaryotic)
Look at where it lives
The scientific name of an organism is made up of what two levels of classification?
Family and species
Genus and species
Genus and phylum
Class and family
Based on the chart, which two organisms are most similar or closely related?
lion and dolphin
lion and leopard shark
dolphin and leopard shark
Which of the following is NOT a Classification in the Linnaean system of naming?
Phylum
Prokaryote
Class
Order
What is one characteristic that is common to BOTH plant cells and animal cells?
They are heterotrophic
They are prokaryotic
They are autotropic
They are eukaryotic
An organism's ability to photosynthesize could be used to classify it.
True
False
The color of the skin/fur of an organism could be used to classify it.
True
False
The number of appendages that an organism has could be used to classify it.
True
False
The size of an organism could be used to classify it.
True
False
When classifying an organism into one of the three domains of life, what should NOT be used?
Whether or not it has a nucleus
How it reproduces
It's physical characteristics
How it gets its nutrients
Which scientist developed the current naming system used to classify organisms?
Hooke
Linnaeus
Darwin
Newton
Each kingdom is subdivided into different domains.
True
False
The most specific group of organization is known as the genus.
True
False
The broadest group of organization is known as the domain.
True
False
The three domains are Bacteria, Archaea, and Prokaryote.
True
False
What do organisms classified in domains Bacteria and Archaea have in common?
They are heterotrophic
They are multicellular
They are eukaryotic
They are prokaryotic
In the classification system, all groups have the same number of organisms.
True
False
In the classification system, the largest groups have the most important animals.
True
False
In the classification system, organisms in the same group have similar characteristics.
True
False
In the classification system, organisms are placed in groups by how big they are.
True
False
