Identifying organisms Flashcards
1
Q
Types of keys
A
Spider keys
Numbered keys
2
Q
spider keys
A
less than five organisms
easy to follow
branches
3
Q
numbered keys
A
more than five or six organisms list same type of questions as spider key numbered questions more complicated
4
Q
Ecosystem
A
- includes all living things in an area, and how they interact with each other and the physical conditions around them
- self sufficient
- contain many different types of organisms
- large biodiversity
5
Q
What is biodiversity?
A
a variety of different species in a habitat
6
Q
Artificial ecosystems
A
- created by humans
- fewer types of organisms
- lower biodiversity
- humans often control which organisms live there and remove unwanted species
- eg. gardens, farms
