variety of living organisms 🩰 Flashcards
1
Q
what are the 4 eukaryotic organisms?
A
plants, animals, fungi, protoctists.
2
Q
define pathogen and what are the 4 examples of pathogens?
A
a disease causing microorganism.
e.g. fungi, bacteria, viruses, protoctists.
3
Q
what are the 3 common features of a eukaryotic organism?
A
- can be multi-cellular or single-celled.
- made up of cells that contain a nucleus and a distinct membrane.
- bigger than prokaryotic cells.
4
Q
what are the 3 common features of prokaryotic organisms?
A
- always single-celled.
- do not contain a nucleus (instead the nuclear material is found in the cytoplasm)
- smaller than eukaryotic cells.
5
Q
what is the example of a prokaryotic organism?
A
bacteria
6
Q
are virus cells eukaryotic or prokaryotic?
A
neither - not classified as living as they do not have cells!