What is the difference between an invertebrate and a vertebrate?
Invertebrate lacks a backbone, and vertebrate has an endoskeleton and a backbone
100
What is a sponge?
Pore -bearing animals that live in freshwater and saltwater
100
What is Cnidaria?
A phylum of animals that have no skeleton
100
What are some characteristics of Flat Worms?
They belong to the phylum of platyhelminthes
They have a flattened body and distinct head and tail
May be free living
Internal parasites
Head with sucking mouth parts surrounded by many hooks
100
What is symmetry?
Similarity of 2 opposite parts
200
What is the difference between Bilateral and Radial Symmetry?
Bilateral Symmetry is a type of body symmetry characterized by 2 sides, left and right
Radial Symmetry is a type of symmetry in which all of the body parts are arranged around a central axis
200
What is the Sponges scientific name?
Porifera
200
What is medusa?
A cnidaria with a bell shaped body designed for swimming
200
What are some characteristics of Round Worms?
They Belong to the phylum of Nematoda
They have a cylindrical body divided into segments
May be free living or live as parasites
Can cause diseases in humans
Hookworms
200
What is Amebocyte?
Jellylike cells that take food to other cells within the sponge
300
What are the 3 Kingdoms of Living things?
Monera
Protista
Fungi
300
What are the tiny pores that cover a sponge called?
Osita
300
What is polyp?
A body form of Cnidarians that is designed to be attatched to something
300
What are some characteristics of Segmented Worms?
Belong to the Phylum Annelida
Cylindrical body divided into segments
Well developed organ systems
Free-Living earthworm
Important in producing soil
Parasitic:Leeches
Live in water
300
What is a tentacle?
The arm like extension Cnidarians that is used to capture and bring food into the digestive cavity
400
Name 4 common invertebrate phyla
Mollusks, Cnidarians, Roundworms, Flatworms, Segmented worms, Arthropods, or Echinoderms
400
What is the function of the collar cells?
They pick up tiny bits of food brought into the water
400
What is the phylum of Cnidaria?
Jelly Fish
Hydra
Coral
Anemone
400
What is Annelida?
A phylum of worms characterized by a cylindrical body divided into segments
400
What is Nematoda?
A phylum of worms characterized by a cylindrical body that lacks any segmentation (Include Hookworm and Trinchiaworm)
500
Name the 3 Characteristics of Animals (found in your book)
Eukaryotic cells
Multi cellular
Lack Chlorophyll and are unable to produce their own food, and must rely on other organisms
500
What are the 2 basic types of sponges? Describe them
Encrusting- They cover the surface of the rock
Free Standing- They have inner volume and sometimes grow into strange shapes, reaching gigantic proportions
500
Name the characteristics of Cnidarians (From your book)
Hollow-Sac like body that occurs in two forms
A vase shaped body called polyp or a bell shaped body called medusa
Cells are specialized into tissues
Only one opening into the body
Tentacles with stinging cells
500
What is platyhelminthes?
A phylum of worms characterized by a flattened body having a distinct head and tail