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Unit 8 Invertebrates

Set for Test on Invertebrates

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Union of sperm and egg producing a zygote
Hollow ball of cells that has folded in on itself created three layers
The process of the blastula folding in on itself forming the gastrula which all tissue develops from.
Forms the skin and nervous system
Forms GI tract and digestion organs
Forms muscle, circulatory, excretory, and respiratory
Irregular body shape example: sponge
Distinct head and tail, equal right and left sides examples: worms, cray fish
Hard outside skeleton made of chitin
Internal structure of bones or cartilage
Lack of backbone
Has a backbone (fish, amphibians, reptiles, birds, mammals)
Mass of cells after zygote multiplies many times
Hollow ball of cells
Free living flat worm
Mollusk which has one or no shell.
How do bivalves feed?
What part of the mollusk secretes the shell?
Part of a snail that tears and scrapes for food
Most common parasitic worms in children.
Parts of Arthropods that functions in sensing, walking, feeding, and mating
Worms that can infect pork.
A pizza resembles what kind of symmetry?
A cnidarian digests it's food in a ____________________.
Which worm has a pharynx, tube which extends from its mouth?
How many pairs of walking legs to spiders have?
How many body sections does a tick have?
The appendage which senses vibrations, chemicals and food
The group of mollusk that's most intelligent.
Sexual body form of a cnidarian
Grasshoppers have how many compound and simple eyes
Egg, Nymph, Adult
Cells of a sponge similar to a flagellated protist
How do sponges feed?
Class of crabs, lobsters, shrimps and pill bugs
Spiders bite with what appendages?
Aquatic arthropods like crabs use what organ to breathe?
What group of arthropods have 3 pair of legs and 3 body sections
Fertilization that occurs outside the body...perhaps in water.
Skeleton of a sponge
A sea star uses what to grasp and hold tightly to surfaces?
Cnidarian body form with mouth and tentacles upward.
Starfish and sand dollars have what type of symmetry?
The most distinguishing characteristics of all arthropods.
A new exoskeleton will grow underneath the old one before it ___________.
Type of animal that has a gizzard used for grinding soil, segmented with hair-like setae.
Type of animal that has a muscular foot and mantle.
Type of animal is a segmented worm that is an external parasite.
Type of animal that has a spiny skin with tube feet.
The head of a tapeworm.
The body section of a tapeworm.
Phylum for earth worms and leeches (segmented worms)
Class name for spiders, scorpians, ticks and mites
Phylum name for all animals with an exoskeleton made of chitin`
Phylum name for corals and jellyfish.
Phylum name for all organisms that have stinging cells
Class name for millipede which are non-poisonous and herbivorous.
Phylum name for sponges which is called a pore bearer.
Class name for horseshoe crabs
Class name for centipedes which are poisonous and carnivorous.
Class name for squids and octopus
Heart, pin and hook worms are all examples of _______ worms.
When cnidarians are touched their tentacles a barb will discharge from stinging cells called _________.
Heterotrouphs, eukaryotic, and multicellular describe all organisms in the Kingdom ___________.

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