Animal Characteristics/Body Plans
Animals are multicellular, heterotrophic, and ____karyotic?
What is eukaryotic?
Sponges were among the earliest animals to evolve on Earth. True or False.
True.
Two main body forms of cnidarians.
What are polyp and medusa?
What is closed?
Earthworms are in this phylum.
What is phylum annelida?
Jellyfish exhibit this type of symmetry.
What is radial symmetry?
Sponges obtain their food and nutrients this way.
What is filter feeding?
Cnidarians do not have these in their body like you and me.
What are organs?
The clitellum aids the earthworm is this type of body system.
What is reproduction?
Class Turbellaria, Class Trematoda, and Class Cestoda are all in this phylum.
What is phylum platyhelminthes (flatworms)?
Two types of animals.
What are vertebrates and invertebrates?
The primary body structure of a sponge.
What is a porous body?
This cnidarian is found in freshwater.
What is Hydra?
This structure allows earthworms to move through soil.
What are setae?
Sea anemones and coral are in this class (more specific than phylum).
What is class anthozoa?
Flatworms do not have a body cavity and are known to be a/an ____________.
What is an acoelomate?
These are the small, needle-like structures that help to provide structural support.
What are spicules?
Algae has a symbiotic relationship with this cnidarian.
What is coral?
Tapeworms are parasitic, so they have these features.
What are hooks and suckers?
95% of the world's sponges are this type; known for vibrant colors and complex shapes.
What are demosponges (demospongiae)?
In most invertebrates, the blastopore develops into the mouth first. These organisms are ____________.
What is a protostomes?
This part of a sponge excretes waste and water.
What is the osculum?
Stinging cells.
What are cnidocytes?
This phylum of worm that lacks a digestive system obtains its nutrients by diffusion.
What are (parasitic) flatworms?
Hookworms, pinworms, and trichinella worms are in this phylum.
What are roundworms (phylum nematoda)?