Topic 1- Variety Of Life Flashcards
How do scientists group living things?
Use morphological features such as shape and structure of DNA
How do we classify:
1) plants
2) animals
3) microorganisms
1) plants- flowering and non flowering
2) animals- vertebrates and invertebrates
3) microorganisms- algae, fungi and bacteria
How to scientists relate two organisms other than looking for common features?
Genetic profiling
Why do every living organism have a scientific name?
To avoid confusion. All languages will use the same scientific name
What are all living things classified into?
Five kingdoms. Single-celled organisms Bacteria Fungi Plants Animals Recently, three domains has become more popular
In order to survive, what do living things have to do?
Adapt to the physical conditions to their environments
What are the two ways organisms adapt?
Structural and behavioural
In order for organisms to survive, they have to obtain essential resources. Name two of these
Food and water
What 4 ways that will limit population?
Competition for essential resources
Predation
Disease
Pollution
