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Definition: A type of animal that filters the water it lives in to get food. Body Systems: Their symmetry is asymmetrical and they don’t have any body.

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Presentation on theme: "Definition: A type of animal that filters the water it lives in to get food. Body Systems: Their symmetry is asymmetrical and they don’t have any body."— Presentation transcript:

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2 Definition: A type of animal that filters the water it lives in to get food. Body Systems: Their symmetry is asymmetrical and they don’t have any body systems. Reproduction: Moat often sponges reproduce asexually, buds and branches grow from a parent sponge and the buds break off and grow. Some sponges also reproduce sexually. A fertilized egg cell forms and its larva then travels out of the parent sponge to a hard surface where it will grow. Food: It filters the water it lives in to get food and tiny food particles. Habitat: Most sponges live in shallow ocean waters where they attach themselves to hard underwater surfaces. Sometimes they live where currents move slowly. Predators: Sea turtles, fish, shrimp can prey on marine sponges, freshwater sponges are preyed upon by larvae of winged insects called spongeflies. Fun Fact: Scientists know about 5,000 species of sponges. GE

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4 Definition/Description: An animal with tentacles that have the ability to sting its prey or predators. Body Systems: They have tentacles, and have radial symmetry. Reproduction: They reproduce sexual and asexual. Food: They eat meat; they sting their prey then eat them. Habitat: They live in seawater, and freshwater. Predators: Humans eat jellyfish, and some jellyfish eat other jellyfish. Fun Fact: When jellyfish are adults they are bowl-shaped. AH

5 Definition: An animal such as a planarian, that has a flattened body, a digestive system with only one opening, and a simple nervous system. Body Systems: They have a nervous system and a digestive system. They have bilateral symmetry. Reproduction: Planarians have reproductive systems with sex organs and by mating and laying eggs. They also regenerate body parts that have been cut off. Food: Planarians eat crustaceans, larvae, and small worms. Habitat: They live in freshwater streams, lakes, and ponds. Predators: Some predators are aquatic insects, tadpoles, small fish, and crustaceans. Fun Fact: When you put them under a microscope they look cross-eyed. GE

6 Definition: An animal with a soft body and no bones. Body Systems: Squid have bilateral symmetry. They also have a nervous system. Reproduction: They reproduce sexually they release eggs and sperm into the water where the eggs are fertilized. Food: Squid prey on other marine animals. They eat their food with their tentacles. Habitat: Squid live in the ocean Predators: Some people eat squid. Birds, a variety of fish, and some sharks prey on the Giant Squid. Fun Facts: They are the most active and intelligent mollusks. They have 10 tentacles. GE

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8 Definition: An invertebrate that has an internal skeleton and spines that are part of its skin. Body Systems: They have radial symmetry. They have a circulatory system, a digestive system, and a nervous system. Reproduction: Starfish generally reproduce sexually. Females release millions of egg cells and males release millions of sperms. Food: Some starfish eat clams. Sometimes they find a dead crab or a dead fish. Habitat: They only live in the ocean, close to shore in rocky ponds called tide pools. Predators: Sharks and manta rays are predators to starfish. Fun Fact: A starfish can get one of their arms cut off and it can grow into a new animal. GE

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10 Definition/Description: An animal with a round tube-like body, that has a digestive system with two openings. Body Systems: They have a tube-like body, a digestive system with two openings, and a nervous system. Reproduction: They reproduce sexually, they have sex organs that let it reproduce. Food: They have two ways for food, one for taking food in, one for taking waste out. Habitat: They live in many types of environments. Predators/Problems: Parasites that effect all grazing animals. Fun facts: 650 million people have the disease by roundworm. AH

11 Definition/Description: An animal that has a jointed exoskeleton and jointed limbs. Body System: They have a exoskeleton, digestive system with two openings, and a circulatory system. Reproduction: They reproduce sexually. Food: Mites eat little plant or animal matter. Habitat: They live in the desert. Predators/Problems: A predator is anything big enough to eat it. Fun facts: Mites have eight legs and no antennae. AH

12 Definition/Description: An animal, such as the earthworm, whose body is made up of connected sections, or segments. Body Systems: There into sections, or segments, have a circulatory system, and a nerve center. Reproduction: They reproduce sexually, both female and male lay eggs. Food: Food is taken in through the mouth and stored in a sac called a crop. Habitat: They live in the soil. Predators: Birds eat earthworms. Fun facts: They have five hearts that help pump blood throughout the body. AH

13  Harcourt Science Book  World Book Encyclopedia   -starfish-predators-3346.html -starfish-predators-3346.html  predators/ predators/   GE


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