SIMPLE INVERTEBRATES
Animals that don't have backbones.
What is an INVERTEBRATE
Animal from phylum Platyhelminthes that we observed in class.
What is a planarian?
The three parts of an insects body.
What are the HEAD, THORAX, and ABDOMEN?
A hard outer covering.
What is an EXOSKELETON?
Except for coral, the type of skeleton found in cnidaria.
What is a hydroskeleton?
The three types of symmetry found in all animals.
What are bilateral symmetry, radial symmetry and asymmetry?
How worms in Phylum Annelida differ from other worms.
What is they have segments? (septa)
An eye that is made up of many identical, light-sensitive units.
What is a COMPOUND EYE?
How animals must get their food.
What is by being consumers/heterotrophs?
Animals that don’t move as adults, like some cnidaria, are called this.
What is sessile?
How many simple invertebrates exchange carbon dioxide for oxygen.
What is by diffusion?
Hair-like projections on earthworms that help them move through the soil.
What are setae?
A feeler that senses touch, taste, or smell found in many arthropods, including insects.
What is an ANTENNA?
All animals have multiple cells organized into these.
What are tissues?
Two types of body forms found in cnidarians.
What are the polyp (like coral and sea anemones) and medusa (like jellyfish)?
Hermaphroditic animals.
What is animals who can produce male and female gametes?
Worm phyla with rounded bodies, but no segments.
What is Nematoda?
95% of the animal kingdom are this type of animal.
What are invertebrates?
Tentacles of cnidaria are lined with these cells.
What are cnidocytes?
Reason collar cells are important to sponges.
What is they have flagella that create a current through the sponge to allow it to get food?
Type of circulatory system in an earthworm.
What is a closed circulatory system?
Group of arthropods with no antennae, simple eyes, and chelicerae.
What is Chelicerata?
Basic animal cell type.
What is eukaryotic?
Barbs found in cnidaria that help to catch prey.
What are nematocysts?