Porifera and cnidaria
What type of symmetry do Porifera have?
No symmetry
What type of symmetry does this group have?
Bilateral symmetry
Say an example of Bivalves
Oyster/Clams/Cockles
What are the artropods symmetry?
Bilateral symmetry
What type of symmetry do Echinoderms have?
Radial symmetry
What stages do cnidarians have?
Polyp stage and medusa stage
Say an example of Plathyhelminthes
Planaria/Tapeworms/Flatworms
Describe the molluscs body
Soft and not segented, with three regions.
What are the four types of arthropods?
Myriapods, Arachnids, Crustaceans and Insects
What is the habitat of Echinoderms?
Marine, some are sessile
What type of nutrition do Porifera have?
Filter feeders
Describe Nematodes body
Have thin, cylindrical body, with pointed ends
What are the three groups of molluscs?
Gastropods, Bivalves, Cephalopods
Complete the sentence:
The body is segmented with ____ regions: head, ____ and _____
The body is segmented with three regions: head, thorax and abdomen
Indicate 3 examples of Echinoderms
Starfish, sea cucumber, sea lillies, sea urchin
What type of shape do Porifera have?
Like a sack
What nutrition does Annelids have?
Some are parasites, others are free-living
Indicate 3 examples of molluscs from any group
Squids, mussels, oysters, slugs and snails.
Say three examples of arachnids
Scorpions/ Ticks/ Spiders/ Harvestmen ( Can be spiders types)
What is the name of the structure responsible for motion and feeding?
Vascular system
How is the internal skeleton of Porifera made up?
Hard spicules
What's the name of Annelids's legs?
setae
Complete the sentences:
Three regions:
A ____ with sensory organs.
The _____ ______ with the main internal _____.
A muscular ______ to move about.
Three regions:
A head with sensory organs.
The visceral mass with the main internal organs.
A muscular foot to move about.
What are the insect's groups? Indicate at least 4
Clue: 8 groups
Coleoptera, Orthoptera, Lepidoptera, Diptera, Odonata, Hymenoptera, Dermaptera and Hemiptera.
Say the five groups of Echinoderms
Stelleroidea, Echinoidea, Holothuroidea, Ophiuroidea, Crinoidea.