What are a MOLLUSCS' body's three regions?
Head, Visceral mass (internal organs), Foot
What is the internal skeleton of PORIFERA?
Spikes, Flexible fibres
What type of environment do PORIFERA live (aquatic or terrestrial)?
aquatic
What do the bodies of Annelids, Nematodes, and Platyhelminthes have in common?
Soft, worm-shaped body, No skeleton, No legs Aquatic and terrestrial environments, and Nutrition (Free-living, Parasites)
Is an insect's circulatory system open or closed?
open
What is an example of CNIDARIA?
a jellyfish, coral, anemonies,
True or False: PLATYHELMINTHES = roundworms
False! flatworms
Name 2 types of ANNELIDS.
Earthworms, leeches
Name the 3 types of mollusks.
GASTROPODS, BIVALVES, and CEPHALOPODS
True or False: most PLATYHELMINTHES are parasites
True
True or False: CNIDARIA have 2 legs.
False! They have tentacles with stinging cells
True or False: NEMATODES = flatworms
False! roundworms
True or false: invertebrates have a "nerve net" type of nervous system?
1
True or False: ANNELIDS: segmented worms have bodies that divide into rings
True
Name the 3 types of arthopods.
ARACHNIDS, CRUSTACEANS, and INSECTS
Do invertebrates have asexual or sexual repoduction?
asexual
What are these examples of?
Heterotrophs
Name the 6 invertebrate animals.
PORIFERA, CNIDARIA, WARMS (PLATYHELMINTES, NEMATODES, ANNELIDS) MOLLUSCS, ARTHROPODS, and ECHINODERMS
True or False: CNIDARIA are herbivores.
False! They are carnivorus predators
What is the habitat of MOLLUSCS?
Aquatic or damp terrestrial places
True or False: The habitats of invertebrates are typically aquatic and terrestrial environments.
True
What type of environment do CNIDARIA live (aquatic or terrestrial)?
aquatic
True or False: NEMATODES: roundworms have cylindrical bodies.
True
What happens to the skin of insects?
It falls off/sheds
True or False: ANNELIDS = segmented worms
True!
What type of eyes do invertebrates have?
Compound
Name 2 types of PLATYHELMINTHES.
Tapeworms, planaria
Describe the body of Platyhelminthes.
soft, flat body, no skeleton, no legs.
What are the three groups of MOLLUSCS?
Gastropods, Cephalopods, Bivalves
What is an example of PORIFERA?
a sponge!
Describe the body of Nematodes.
round body with pointed ends, soft, no skeleton, no legs.
Describe the body of Annelids.
Soft, round body divided into rings, no skeleton, no legs.
Name 2 types of NEMATODES.
Trichinella, pinworm