This is the preferred type of environment for worms
What is a "humid environment"?
Sponges are the least advanced type of ____ on the planet.
What are "animals"?
This is how cnidarians interact with their environment
What are "tentacles"?
Many molluscs create this in order to protect themselves from predators
What is a "shell"?
This is the type of symmetry that echinoderms share
What is "radial symmetry"?
This type of flatworm is a very common parasite
What is a "tapeworm"?
This is how sponges get their nutrients
What is "filtering food particles from the water"?
This is the type of symmetry that cnidarians have
What is "radial symmetry"?
These are two examples of molluscs that live on land
What are "snails" and "slugs"?
This is how echinoderms move
What are "tube feet"?
Nematodes do not have this feature
What is a "segmented body"?
What is a "stomach"?
This is the name for the holes that cover the outside of sponges
What are "pores"?
What are "ostia"?
These are two common examples of cnidarians
What are "jellyfish", "hydra", "anemone", and "corals"?
This group of molluscs is the only one that can produce pearls
What are "bivalves"?
This is a famous echinoderm that has pointy spikes.
What is a "sea urchin"?
Leeches and earthworms both belong to this group
What are "annelids"?
This is the large hole at the top of sponges that releases water and excrement
What is the "osculum"?
This is a type of skeleton supported by water pressure instead of bones
What is a "hydrostatic skeleton"?
This is the most intelligent group of molluscs
What are "cephalopods"?
This is the name for a starfish's process of asexual reproduction
What is "fragmentation"?
What are "metameres"?
Porifera are ____, meaning they do not move.
What is "sessile"?
These are the two basic body types of cnidarians
What are "polyp" and "medusa"?
This long, tube-like structure allows cephalopods to move quickly
What is a "siphon"?
This system of tubes circulates water throughout the body of an echinoderm
What is the "ambulacral system"?