Animal Kingdom:Animal Kingdom:InvertebratesInvertebrates

SpongesSpongesAnnelids:Annelids: WormsWormsMollusks:Mollusks: Oysters, clams, Oysters, clams,

octopus, snailsoctopus, snailsArthropods:Arthropods: Insects, spiders, Insects, spiders,

crab/lobstercrab/lobster Echinoderms:Echinoderms: StarfishStarfish

SpongesSponges

Feed by drawing water into sporesFeed by drawing water into spores No body symmetry, no tissues or No body symmetry, no tissues or

organ systemorgan system

SpongesSponges

Annelids: Annelids: WormsWorms Bodies are divided into segments. Bodies are divided into segments. Have very well-developed internal Have very well-developed internal

organs. organs. Some have long bristles, some have Some have long bristles, some have

short. Others seem smooth.short. Others seem smooth. There are about 9,000 species of There are about 9,000 species of

Annelids known today, including Annelids known today, including worms and leeches. worms and leeches.

Annelids: Annelids: WormsWorms

Mollusks: Mollusks: Mussel, clam, snail…Mussel, clam, snail…

Have soft, skin-like organ covered with Have soft, skin-like organ covered with a hard outside shell.a hard outside shell.

Some live on land, such as the snail Some live on land, such as the snail and slug.and slug.

Others live in water, such as the Others live in water, such as the oyster, mussel, clam, squid and oyster, mussel, clam, squid and octopus. octopus.

Mollusks: Mollusks: Mussel, clam, snail…Mussel, clam, snail…

Arthropod: Arthropod: Crustaceans Crustaceans (crab/lobster)(crab/lobster)

Have hard, external shell which protects their Have hard, external shell which protects their body. body.

Have a head and abdomen. Have a head and abdomen. Head has antennae, which are part of their Head has antennae, which are part of their

sensory system. sensory system. Abdomen includes heart, digestive system and Abdomen includes heart, digestive system and

reproductive system.reproductive system. Abdomen also has appendages, such as legs, Abdomen also has appendages, such as legs,

for crawling and swimming. for crawling and swimming. Many have claws that help with crawling and Many have claws that help with crawling and

eating.eating.

Arthropod: Arthropod: Crustaceans Crustaceans (crab/lobster)(crab/lobster)

Arthropods: Arthropods: Arachnids Arachnids (spiders)(spiders)

Have a hard exoskeleton and jointed Have a hard exoskeleton and jointed appendages for walking. appendages for walking.

Unlike other arthropods, spiders do not have Unlike other arthropods, spiders do not have antennae. antennae.

Common arachnids are the spider, Common arachnids are the spider, scorpions, ticks and mites.scorpions, ticks and mites.

Arthropods: Arthropods: Arachnids Arachnids (spiders)(spiders)

Arthropod: InsectsArthropod: Insects Largest group of arthropods (over 800,000).Largest group of arthropods (over 800,000). Are very adaptable, living almost Are very adaptable, living almost

everywhere in the world. everywhere in the world. Have an exoskeleton that covers their entire Have an exoskeleton that covers their entire

body. body. An insect's body consists of the head, An insect's body consists of the head,

thorax and abdomen. thorax and abdomen.

Arthropod: InsectsArthropod: Insects

Echinoderm: Echinoderm: StarfishStarfish Marine animals that live in the ocean. Marine animals that live in the ocean. Have arms or spines that radiate from the Have arms or spines that radiate from the

center of their body. center of their body. Central body contains their organs, and their Central body contains their organs, and their

mouth for feeding. mouth for feeding. Sea stars, commonly known as the starfish, Sea stars, commonly known as the starfish,

have 5 or more arms attached to their body.have 5 or more arms attached to their body. Sea urchins have many spines connected to Sea urchins have many spines connected to

their body. These spines help to protect their body. These spines help to protect them from predators.them from predators.

Echinoderm: Echinoderm: StarfishStarfish