An aquatic invertebrate animal of the phylum Cnidaria
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| Cnidarians display what kind of symmetry? | Radial symmetry
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| The medusa form of cnidarian is____its mouth is located on the ___of the organism. | Motile
Bottom
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| Why is H2O movement in sponges so important? | 1)feeding 3)excretion 5)reproduction
2)respiration 4)circulation
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| what type of animal has a back bone? | Vertebrate
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| What is a blastula? | Hollow ball of cells formed during embryonic development.
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| Sea anemones & corals are members of the class___.They are only found in the___stage.Most reproduce sexualy by___? | Anthozoa
Polyp
External fertilization
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| What domain contains plants,fungi,protists,& animals? | Eukarya
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| What is a heterotroph? | Organism that gains nutrients & energy from feeding on organic compounds from other organisms.
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| Where is the mesoglea located? | Between the epidermis & the gastrodermis.
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| what is sexual reproduction? | fusion of gametes such as egg/sperm.
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| Sponges reproduce___ in a process called___fertilization. | Sexualy
Internal
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| A sponge gets oxygen to its cells by the process of___. | Diffusion
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| This type of animal does not have a back bone. | Invertebrate
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| Cnidarians can respond to stimuli by using a ___ ___. | Nerve net.
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| What is bilateral symmetry? | Only one plane can divide body in 2 equal halves.
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| Animal cells are what? | Eukaryotic
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| Polyps can reproduce asexualy by a process called what? | Budding
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| What is a sponges response system? | They don't have one
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| What does sessile mean? | They live their entire life attached to one spot.
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| How do sponges feed? | Filter feed: sift microscopic food particles from H2O.
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| What are 3 classes of Cnidarians? | Scyphozoa
Hydrozoa
Anthozoa
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| Do members of the phylum porifera have body symmetry? | No
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| A polyp is___& cant move. Its mouth is located on___of the organism. | Sessile
The Top
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| The gastroderm is the inner lining of the___ ___where digestion takes place. | Gastrovascular cavity
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| A genus is composed of a number of related what? | Species
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| What are the 6 kingdoms? | 1)Archaebacteria 3)Protista 5)Plantae
2)Eubacteria 4)Fungi 6)Animalia
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| What is an Osculum? | opening at the top of a sponge where H2O exist.
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| What is radial symmetry? | Organism has body parts repeated around the center; can bisect organism anywhere and get two equal halves.
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| What is taxonomy? | Naming & Classifying organisms.
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| Were does digestion take place in Cnidarians? | Gastrovascular cavity
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| What is an animal that has distinct left & right sides? | Bilateral Symmetery
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| Jellyfish move by means of what? | Jet Propulsion
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| Hydras are members of the class___. Their primary life form is the___. They can reproduce either___or___. | Hydrozoa
Polyp
Sexually or Asexually
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| How do anemones move? | Hydrostatic Skeleton
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| Intracellular digestion takes place___the cell. | Inside
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| Choanocytes function in sponges to ___... | Use flagella to move a current of H2O through the sponge
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| Jellyfish are members of the class___. Their primary life form is the____. They reproduce____. | Scyphozoa
Medusa
Sexually
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| What cell layer gives rise to muscles, circulatory, reproductive & excretory systems. | mesoderm
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| Sponges digest food by intracellular digestion in cells called_____. | Archaeocytes
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| How do cnidarians feed? | Sting prey with cnidocytes & nematocysts & then bring them into their mouth.
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| In a cnidarian, cells that sense gravity are_____. | Statocysts.
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| What 7 ways do animals survive? | 1)Feeding 3)Circulation 5)Response 7)Reproduction
2)Respiration 4)Excretion 6)Movement
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| What is a dichotomous key? | Set of paired statements used to classify organisms.
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| Inner layer; forms linings of digestive & respiratory system. | Endoderm
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| What is a cnidocyte? | Stinging cells located along tentacles of cnidarians.
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| Cnidarians get their name from what? | Cnidocytes
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| Soft sponges have an extracellular matrix of____to make them soft. | Spongin
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| Many sponges protect themselves from predators by producing____. | Toxins
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| Unlike plant cells, animal cells do not have____. | Cell walls
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| What are the 3 domains? | 1)bacteria
2)archae
3)eukarya
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| How are domains classified? | Cell structure
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| A_______is a poison-filled stinging structure that contains a tightly coiled dart. | Nematocyst
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| Cnidarians eliminate wastes by the process of______. | Diffusion
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| Some sponges play an important role in the primary productivity of coral reefs by: | Having a symbiotic relationship with photosynthetic organisms.
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Created by:
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