Introduction Flashcards
1
Q
What are the 6 kingdoms?
A
Prokaryota kingdoms - bacteria and archaea
Eukaryota kingdoms - protozoa, plantae, fungi and animalia
2
Q
What percentage of animals are invertebrates?
A
96%
3
Q
What is the largest and second larges phyla?
A
Largest = arthropoda (82% of all animals)
Second largest = mollusca (5% of all animals)
4
Q
When did metazoans (animals) arise?
A
875-650 MYA
5
Q
What may have caused the cambrian explosion?
A
Increase in oxygen
Evolution of the eye
6
Q
A