Invertebrates Phylums Paul Cassaday Hope you like it.

Nematodes/roundworms-ascaris  Definition-an animal with a round tube like body that has a digestive system with two openings.  Body system-they have a nervous system. They have a brain and other sense organs.  Reproduction-they can only reproduce buy cutting in half or a piece off.  Food-they eat any organism they live in and they haven 2 openings 1 is the mouth the other is the digestive end.  Habitat-sometimes they live in the ground but other places are in other organisms.  Predators-people who eat under cooked meat.  Fun fact-they live in organisms to live and feed. PC

ascaris  PC

Mollucks-squid  Definition-an animal with a soft body and no bones  Body system-they have a nervous system because they have a lot of skin and tissue.  Reproduction-they release a sperm egg and it will fertilize in the water.  Food-they use there tentacles to catch there prey.  Habitat-they live in the ocean usually but sometimes lives in the sea.  Predators-sharks.  Fun facts-has 10 tentacles or are called arms. PC

squid  PC

Cnidaria/jellyfish  Definition-an animal with tentacles that have the ability to sting its prey or predators.  Body System-they have radial symmetry. It is arranged around the center where there mouth is. They have a bowl shaped body.  Reproduction - asexual-it forms a medusas that will break off and swim away/sexual-releases a sperm cell and it will land on the bottom of the ocean and grow to an adult.  Food-they are carnivores-eat meat-they sting there prey and there tentacles will pull its prey in to its mouth.  Habitat-jellyfish swim on the surface of the ocean and in it so they can catch there prey.  Predators- sharks, sword fish, salmon, and tuna.  Fun facts-they will eat there food then the stuff that doesn't digest comes out its mouth. PC

jellyfish  PC

Echinoderm-starfish  Definition-An invertebrate that has an internal skeleton and spine that are part of its skin.  Body system-they have 1 hole for eating and wasting.  Reproduction-sexually-the female putts eggs into the water and the male squirts sperm on the eggs and they get fertilized the egg.  Food-uses its arms to catch its prey and puts into its mouth.  Habitat-they live in the ocean and sometimes in the sea.  Predators-sharks and sword fish.  Fun fact-has arms to catch its prey and then it will eat it.  PC

starfish  PC

resources  Harcourt science  Octopods  PC

From Paul cassaday Thanks for watching! PC By Paul Cassaday

extra pictures  PC

JAMIE MILLER AND PAUL CASSADAY

RESOURCES  THE 6 TH GRADE SCIENCE BOOK  THE INTERNET  JM

PORIFEA/ SPONGE EX:VENUS FLOW BASKET  DEFINITION : A type of animal that filters the water it lives in to get food.  BODY SYSTEMS : Protein skeletons called spicules  REORODUCTION : They produce asexual. Buds and plants grow on sponges. Buds break off and grow to sponges.  FOOD : Filters the water it lives in to get food. Also what ever passes them.  HABITAT : Small sponges live in fresh water, lakes, ponds and streams. On rocks or sticks underwater.  Predators : Threadlike structures that remove particles from the water. Sea turtles, fish or shrimp.  Fun Facts : Most of the time covered with algae.  jm

Platyhelminthes/ Planarian  Definition : An animal such as an planarian that has a flattened body, a digestive system with only one opening and a simple nervous system.  Body Systems: The digestive system that has one opening and a simple nervous system.  Reproduction: Sexual, they can reproduce by mating and laying eggs.  Food : The tube in around the middle under the body. This tube is used to take out waste and eat food. Some of theses 'eat the animal they are in.  Habitat: In some animals body's you can find them in fresh water and lakes and ponds.  Predators: They have internal body cavities.  Fun Facts; They stay out of the light. They enter the body, they mate and get used to the body.  jm

Annelids / Earthworms  Definition; Animal such as the earthworm, whose body is made of connected sections or segments.  Body Systems; They have a Circularity system, and a nerve center.  Reproduction: Sexual, both male and female have sex organs. Both partners lay eggs.  Food; The two sets of muscle's make the earthworm move thru the soil, where it takes food into its mouth.  Habitat; Most moist and warm soil in the world.  Predators; Flatworms  Fun Facts; They adapt to wet weather.  jm

Arthropods / Locusts  Definition ; A jointed exoskeleton and jointed limbs.  Body systems; Muscles attached to the inside of the exoskeleton contract and relax.  Reproduction’ Sexual. The female lays eggs from which the young hatch.  Food; All types of plants including crops.  Habitat; Bee keepers and every place that supports life.  Predators: Humans eat some arthropod's.  Fun Facts they adapt to anything.  jm