what are they?. what does invertebrate mean? an animal who has two backbones an animal without a...
TRANSCRIPT
What are they?
What does Invertebrate mean?
An animal who has two backbones
An animal without a backbone
An animal who eats plants
Answer: An animal without a backbone
What is an example of an Invertebrate?
Can we classify them into smaller groups?
Invertebrates
Soft Body PartsHard Skin Covering
Worms Porifera (Sponge) Mollusks ArthropodsEchinoderm
sCnidarians
What are the Six main divisions of Invertebrates?
PoriferaEchinoderms Arthropods
WormsCnidarians Mollusks
Which group do I belong to
Hard Skin Covering
Arthropods
Hard Skin Covering
Echinoderms
Soft Body PartsWorms
Soft Body PartsCnidarians
Soft Body PartsMollusks
Soft Body Parts
Porifera
What are the characteristics of Echinoderms?
Suction through Tube Feet
No heart, brain or eyes, Have several Arms,
It has a gill structure to take in the oxygen
release of sperm and eggs into the water
Carnivores or Detritus Foragers
Key Body Characteristics
Method of Respiration:
Method of Movement:
Method of Reproduction:
What kind of eaters are they?
What are the characteristics of Arthropods?
Locomote in a wide variety of ways
Hard Outer Skin (exoskeleton)
Occurs through the body surface, gills, trachea, and/or book lungs.
Very Diverse
Very Diverse
Key Body Characteristics
Method of Respiration:
Method of Movement:
Method of Reproduction:
What kind of eaters are they?
What are the characteristics of Worms?
Usually cylindrical, flattened, or leaf-like body with no appendages
Takes oxygen through skin, straight to bloodstream
Asexually and Hermaphroditic reproduction
Many are Decomposers
Key Body Characteristics
Method of Respiration:
Method of Movement:
Method of Reproduction:
What kind of eaters are they?
Some use muscles to move, others rely on outside force
What are the characteristics of Cnidarians?
Jet like propulsion and snail like crawling
Have Cnidoctes and bodies consist mostly of Mesoglea
Both cell layers absorb oxygen from and release Carbon Dioxide
Sexual and Asexual
The eat in many different ways
Key Body Characteristics
Method of Respiration:
Method of Movement:
Method of Reproduction:
What kind of eaters are they?
What are the characteristics of Mollusks?
Muscle contraction
Soft body, some are covered by shells
Some have siphons or gills
Sexually
Siphon Algae and Bacteria
Key Body Characteristics
Method of Respiration:
Method of Movement:
Method of Reproduction:
How do they eat?
What are the characteristics of Porifera?
Sessile or slow movemets
Sponge-like
Take in oxygen from the water
Sexually or Asexually
Through the pores on their outer walls
Key Body Characteristics
Method of Respiration:
Method of Movement:
Method of Reproduction:
How do they eat?