BZ1006 - L3 Animal Diversity Flashcards
How many animal species have been catelogued? (Percentage)
14%
This is mainly land animals. Sea animals have been the least documented
How many of the original lifeforms thought to be in existance are now thought to be extinct?
99%
It is thought that only 1% of species are still in existance
True or False?
First animals were thougth to be sponge-like
True
Eucarya are broken into what 4 categories in classification?
Protista
Plantae
Fungi
Animalia
Are protista mulit- or uni-cellular?
Unicellular
Name the 3 multi cellular branches of eukaryotes
Plantae
Fungi
Animalia
What branch/s of eukaryotes are hetrotrophic?
Fungi and Animalia
What branch of eukariotes are Autotrophic?
Plantae
What are 3 factors that make a eukaryote an animal?
It must:
be multicellular
lack cell walls
be hetrotrophic (INGEST organic molecules)
LOOK AT “TISSUE DEVELOPMENT”
See Lecture notes for image
LOOK AT “TISSUE DEVELOPMENT IN TRIPOBLASTIC ANIMALS”
See lecture notes for images and explainations