Phyla Of Invertebrates Flashcards
What are PORIFERA
Sponges
What are those sponges?
Primitive, water dwelling filter feeders
What does it mean not to have a true tissue
They lack muscles, nerves and internal organs
Where can we find the sponges
Attached to surfaces anywhere
What are cnidarians
Jellyfish, corals, sea anemones
Where did cnidarians get their name from
Cnidocytes
What are cnidocytes
Specialized cells that carry stinging organelles
Platyhelminthes
Flatworms
Where do flatworms live
They are free-living formes
What do flatworms do with other animals
They parasite on them
What types of flatworms do we have
Planarians, flukes, tapeworms
Body structure of flatworms
They are soft bodied and relatively simple
What is nematoda
Roundworms
Where can we find roundworms
Antarctica, oceanic trenches
What is Annelida
Earthworm
What is the body structure of earthworms
They are segmented
Where can we find earthworms
In wet environment
What size do earthworms range in
3 millimeters to 3 meters
What is Mollusca
Squid, snail
Describe the type of phylum mollusca is in
Large and diverse phylum
For what are molluscas known
Decorative shells, as seafood
Name molluscas in their range of sizes
Tiny nails, clams, abalone, squid, cuttlefish, octopus
What is the most intelligent invertebrate
Octopus
What is the largest invertebrate
Giant squid in its adult form
What are anthropods
Insects, ticks, spiders, grasshoppers, lobsters, crabs
Describe the phylum of anthropods
It is the largest phylum of animals
What forms are anthropods
Symbiotic and parasitic
Characterize the body of an anthropoda
Segmented body with appendages on each segment
What is an exoskeleton
Anthropoda is covered by it. It is made of chitin, a polysaccharide. It provides physical protection and resistance to desiccation
What do anthropodes do with the cover over time
They shed it as they grow
What species of animals can anthropods be
Insects, archanids, crustaceans and other
What species of animals can anthropods be
Insects, archanids, crustaceans and other