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Coelenterate A)an invertebrate animal with jointed legs and an exoskeleton B)an animal having no backbone C)an outer covering that supports the soft inner tissues in an arthropod D)an ocean invertebrate having spiny skin E)an invertebrate animal that has...

Flatworms have _____ symmetry, as well as a defined head and tail. single radial simple projection bilateral

The best known of the _____ worms are the earthworms. cast unified segmented round flat

The main part of the mollusk's body is called the _____ mass. visceral crust polyp tail medusa

Mantle A)a long appendage around the head of an animal used for holding or moving B)a section or part of an animal's body C)not moving from place to place; attached in a permanent location D)mouth parts that work as jaws E)a layer of skin-like material th...

Select 4 that apply. The following are examples of the crustacean group: A)ants scorpions crayfish lobsters crabs shrimp centipedes

The six-legged bugs belong to the group of _____. crustaceans centipedes insects arachnids myriapods

Exoskeleton A)an ocean invertebrate having spiny skin B)an invertebrate animal that has tentacles around its mouth C)an outer covering that supports the soft inner tissues in an arthropod D)an invertebrate animal with jointed legs and an exoskeleton E)an...

The _____ controls the body functions of a vertebrate. lungs legs brain heart arms

The _____ protects the spinal cord. vertebrate skull hair spinal column lungs

_____ symmetry is exhibited by all vertebrates. Circular Bilateral Simple Radial Composed

sessile A)a section or part of an animal's body B)not moving from place to place; attached in a permanent location C)a layer of skin-like material that in many animals can produce a shell D)a long appendage around the head of an animal used for holding or...

Hookworms are a parasitic type of _____. earthworm segmented worm unified worm roundworms flatworms

Segment A)a section, or part, of an animal's body B)a layer of skin-like material that in many animals can produce a shell C)not moving from place to place; attached in a permanent location D)mouth parts that work as jaws E)a long appendage around the hea...

Echinoderm A)an ocean invertebrate with spiny skin B)an animal having no backbone C)an invertebrate animal with jointed legs and an exoskeleton D)an invertebrate animal that has tentacles around its mouth E)an outer covering that supports the soft inner t...

Select 4 that apply. The following are examples of the arachnid group: ticks centipedes scorpions spiders crabs ants mites

Select 2 that apply. The following are examples of the myriapod group: lobsters shrimp crayfish millipedes scorpions centipedes ants

Arthropod A)an outer covering that supports the soft inner tissues in an arthropod B)an invertebrate animal that has tentacles around its mouth C)an animal having no backbone D)an ocean invertebrate having spiny skin E)an invertebrate animal with jointed...

Mandible A)a layer of skin-like material that in many animals can produce a shell B)not moving from place to place; attached in a permanent location C)mouth parts that work as jaws D)a section or part of an animal's body E)a long appendage around the head...

The _____ protects the brain. hair skull heart lungs vertebrate

The skeleton of a shark is made of _____. muscle cartilage bones veins tendons

Select 5 that apply. These are the classes of vertebrates: amphibians reptiles mammals mollusks fish birds arthropods