WorksheetsAlien Dichotomous Key Quiz
Total questions: 1
Worksheet time: 13mins
According to the Alien Dichotomous Key, if an alien has a round head and a short body, what are the species names? (Check all that applies)
Tierra
Lucio
Marcus
Bob
If an alien has a triangle head and long body, which species does it belong to? (check all that applies)
Kiara
Jada
Ang
Renee
What is the common name for an alien with two straight antennae and no eyes?
Pari
Beyoncé
No such alien species
Ang
Using the Alien Dichotomous Key, identify the species name of an alien with a square head and two eyes.
Lucia
Marcus
Lee
Beyonce
What species name is given to an alien with one curly antennae and a long body?
Kiara
Jada
Renee
Anita
Which figures has a circular head and a pentagonal body? (Check all that applies)
Beyonce
Bob
Jada
Tierra
Which figure has a triangular head with a cross and a hexagonal body?
None
Figure 14 only
Figure 5
Figure 7
Which figure has a square head with three dots for eyes and a long body?
Figure 9
Figure 6
Figure 5
Figure 15
Which figure has an antenna, a square head with two dots for eyes, and a rectangular body?
Figure 1
Figure 7
Figure 15
Figure 16
As you used the key, how many descriptive statements were given at a time?
One
Two
Three
Four
The prefix di- means two. The base word -chotomy refers to a separation into parts. Why is this called a dichotomous key?
Because it separates items into two parts
Because it uses two keys simultaneously
Because it is used twice
Because it was invented by two people
Species names have two parts. This is called binomial nomenclature. The first word of binomial nomenclature identifies the genus. How many genera were represented in this activity? What were they?
One genus
Two genera
Three genera
Four genera
The second word in binomial nomenclature is a descriptive term. It can describe who discovered the species, where it was discovered, or a physical feature of the species. In this activity, multiple physical features were described by the second part of the species name. List several of the features and how they were described in the species name.
Color and size
Habitat and behavior
Diet and lifespan
Shape and texture
We often use a common name, rather than the species name, when referring to a living organism. Why do you think we do this?
Because common names are easier to remember
Because common names are scientifically accurate
Because common names are universal
Because common names are longer
As you used the key, how many descriptive statements were given at a time?
One statement is given at a time.
Two statements are given at a time.
Three statements are given at a time.
Four statements are given at a time.
Why is it called a dichotomous key?
Because it uses diagrams to identify species.
Because it includes genetic information.
Because each description step separated the aliens into two separate groups.
Because it is used exclusively for plants.
What is the second word in binomial nomenclature?
It is a descriptive term.
It is the species name.
It is the genus name.
It is the common name.
Why do we often use a common name, rather than the species name, when referring to a living organism?
Because it is more scientifically accurate.
Because common names are longer and more detailed.
Because common names are shorter, simpler, and easier to remember.
Because common names are used in binomial nomenclature.
