What are the two major groups animals are divided into?
Invertebrates and vertebrates
100
What are the tiny cells that cover the sponge?
Oscula
100
Jellyfish, hydra, sea anemones, and corals belong to what phylum?
Cnidaria
100
Name the three types of worms.
Flatworms, roundworms, and segmented worms.
100
Which worm lives in water?
Segmented worms
200
Name two characteristics of animals.
-Eukaryotic
-Multicellular
-Lack chloraphyll-- are unable to produce their own food and rely on other living organisms. ( are consumers)
(any two)
200
What is regeneration?
The ability to regrow a lost body part.
200
Name three characteristics of cnidarian.
-Hollow sac-like body-- comes in two forms: polyp and medusa
-cells are specialized into tissues
-Only one opening in and out of the body.
-Has tentacles with stinging cells
(any three)
200
True or False: All worms have segments
False
200
Which worm causes Trichina worm?
Roundworms
300
What is bilateral symmetry?
An object with bilateral symmetry can be divided into two matching sides, a left and a right.
300
What is spongin?
A flexible substance that forms support for some sponges.
300
Describe the polyp body.
What is shaped like a vase and is designed to be attached to something. Tentacles surround the upward pointing mouth.
300
Name the body shape, examples and the phyla of the flatworm.
Body shape- Flat
Examples: Planaria and tapeworm
Phyla: Platyhelminthes
300
What are the cells that make up the inner layer of the sponge and has flagellum that creates a current of water?
Collar cells
400
What is radial symmetry?
Animals with bilateral symmetry have their body parts arranged around a central axis.
400
What are spicules?
A hard, spike-like structure that helps support the sponge.
400
Describe the medusa body.
Shaped like a umbrella or a bell and is designed for swimming. Tentacles surround the mouth, which is facing down.
400
Name the body shape, examples and the phlya of the roundworm.
Body shape: Cylindrical body without segments
Examples:hookworm and trinchina worm
Phyla: Nematoda
400
What are tentacles?
Arm like extensions used to capture food and bring it into the digestive cavity
-Hollow body
-Cells are not specialized into tissues
-Water and materials move into the body through openings called pores
-Wasted moves out through a large opening
(any three)
500
What are stinging cells?
Specialized harpoon-like cells that shoot poison into prey and help hold it.
500
Name the body shape, examples, and the phyla of the segmented worm.
Body shape: cylindrical body with segments
Examples: earthworms and leeches
Phyla: Annelida
500
How do you spell the the phylum the flatworm belongs to?