Chapter 13 - classification Flashcards
1
Q
Definition of an organism
A
An individual living thing
2
Q
Why is the classification system important
A
It helps biologist :
- work out what relationships exist between different groups
- learn how living things are related to each other
- identify newly discovered organisms
- from different countries to communicate
3
Q
What is the classification system mainly based on
A
Cell and structural characteristics
4
Q
What are the 8 taxa
A
- domain
- kingdom
- phylum
- class
- order
- family
- genus
- species
5
Q
What are the rules when writing scientific names
A
- the first word is the genus and begins with a capital letter
- the second word is the species and begins with a lowercase letter
- the name must be written in italics of underlined in handwriting
6
Q
What does dichotomous mean
A
Divided into two parts
7
Q
What are keys mainly used for
A
Finding the names of organisms
8
Q
What phylum are the largest group of animals on earth in
A
Arthropods
9
Q
What does Arthropoda mean
A
Joint feet
10
Q
How many classes of chordata are there
A
5
11
Q
How are invertebrates grouped
A
By their structural features
