Class 2 Flashcards
What are the levels or organization
Protoplasmic level
Cellular level
Tissue level
Organ level
Organsystem level
What is division of labour
Sharing of the functions of the organism
What is an example of cellular level of organisation
Phylum porifera
What is an example of tissue level of organisation
Hydra
Cnidarians
Ctenophora
Coelenterates
What shows both organ and organ system level of organization
Platyhelminthes
What show organ system level of organization
Aschelminthes
Annelida
Arthropoda
Mollusca
Echinodermata
Herichordata
What are the two types of circulation
Open and closed
What shows open circulation
Arthropoda
Mollusca
Echinodermata
What shows closed circulation
Annelida and chordates
What is open circulation
It is where heart pumps blood into large vessels which drains blood into sinus causing the cells to be bathed in bloos
What is closed circulation
It is where the heart pumps blood into vessels of different diameters
Aorta->arteries>arterioles>capillaries>veins>venioles>vena cava
What are the two types of guts
Complete and incomplete gut
What is incomplete gut
Incomplete gut is where there is only one opening for ingestion and egestion ex osculum in hydra
What is complete gut
Complete gut is where there are two openings
Give examples of complete gut
Aschelminthes
Annelida
Mollcisa
Arthropoda
Echinodermata
Herichordata
Give examples of incomplete gut
Ctenophora
Cnidarians
Platyhelminthes
