SMS Unit B Ch. 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| All animals need ______, ______, ______, and protection from ______ and other dangers in the environment. | food, oxygen, water, predators
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| Animals need ______ so they can have the energy to grow and to perform all life processes. | food
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| You can tell an animal's diet by observing its _______. | teeth
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| Animals eat food for energy, but they can't use the energy unless they also have ________. | oxygen
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| Animals get the oxygen they need from the ______, through their __________, and from the _________. | air, (bodies)skin, water
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| All animals are made up of ______ which are mostly water. | cells
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| A ________ is an animal that has a backbone. | vertebrate
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| An _________ is an animal that does not have a backbone. | invertebrate
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| Vertebrates are part of the animal phylum known as __________. | chordates
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| The four characteristics in the development of chordate are: a) every chordate has a __________, b) a __________ that connects the animal's brain with other parts of its body, c) _________, and d) a ______________. | notochord, nerve chord, gill slits, tail
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| The largest group of chordates is the _________. | vertebrates
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| Vertebrates include _______, _______, _______, and _______, and _______. | fish, amphibians, reptiles, birds, mammals
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| Vertebrates differ from other chordates because their notochord develops into a ________. | backbone
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| A vertebrate has an ________-- a system of connecting bones that lie within the animal's body. | endoskeleton
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| Vertebrates make up about ____ % of the animal population. The other ____ % of animals are invertebrates. | 4, 96
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| Invertebrates include ______, _______, _______, _______, and insects. | sponges, worms, centipedes, mollusks, insects
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| An _________ is a skeleton that is outside of an animal's body for protection and body shape. | exoskeleton
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| Arthropods make up _____ % of the animal population. | 85
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| Where should you look for invertebrates? | Anywhere
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| A _______ is one type of animal that filters the water it lives in to get food. | sponge
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| A sponge has ________ layers of cells. | two
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| A sponge's skeleton is made up of tiny rodlike structures of tough protein called _______. | spicules
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| A sponge is classified as an animal because it takes in ______ and has moving whiplike structures. | food
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| ________ are carnivorous, or meat-eating invertebrates that have the ability to sting. | Cnidarians
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| What kind of environment do all cnidarians live? | in water
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| What helps cnidarians catch their prey? | stingers
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| Cnidarians have _______ symmetry. | radial
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| A cnidarian that has a vase-shaped form like a hydra is called a _______. | polyp
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| The other form of cnidarian is called a _______. | medusa
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| Sponges have _______ symmetry, cnidarians have _______ symmetry, flatworms and roundworms have _______ symmetry. | no, radial, bilateral
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| A _______ has a flattened body, a digestive system with only one opening, a simple nervous system, and can also harm humans. | flatworm
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| A _______ has a round, tubelike body. | roundworm
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| Roundworms are the only group of worms that have _______ that run lengthwise through the worm's body. | muscles
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| An animal that lives in or on another animal and feeds on that animal is called a _______. | parasite
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| Flatworm parasites include _______ and ______. | tapeworms, flukes
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| Roundworm parasites include ________ and ________. | hookworms, trichinella
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| ____________ are worms whose bodies are made up of connected sections, or segments. | Segmented worms
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| _______ are segmented worms with two openings. | Earthworms
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| To get oxygen, earthworms breathe through their thin, moist __________. | skin
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| A ________ is an animal with a soft body and no bones. It also has a muscular foot that burrows in the sand. | mollusk
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| An example of a mollusk is a(n)__________. | octopus
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| Mollusks include ________, ________, ________, ________, ________, and ________. | clams, oysters, slugs, snails, squid, octopods
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| The shell of a mollusk is formed by an organ called the ________. | mantle
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| Mollusks that have two hinged shells that fit together are called _________. | bivalves
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| Snails have an organ called a _______ that is shaped like a tongue and is coated with ribbons of teeth. | radula
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| ________ and ________ are the most active and most intelligent mollusks. | Octopods, squid
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| An ____________ is an animal that has a jointed exoskeleton. | arthropod
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| __________ attached to the inside of the exoskeleton contract and relax allowing the arthropod to move. | Muscles
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| An arthropod's exoskeleton ___ ____ grow as the animal gets larger. | does not
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| _______ are the largest phylum of animals. | Arthropods
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| ________ are the most numerous arthropods and the most numerous animals on Earth. | Insects
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| How do arthropods help people? 1) They help _______ plants, 2) They eat _______ that destroy crops or flowers. 3) They are a ______ _______ for other animals, and 4) they produce goods that can be ______. | pollinate, insects, food source, sold
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| _________ are invertebrates that have internal skeletons and spines sticking out from their bodies. | Echinoderms
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| The word echinoderm comes from the Latin words meaning _______ and _______. | spiny, skin
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| Examples of echinoderms are ________, ________, ________ (that eat algae), and ________. | starfish, sand dollars, sea urchins, sea cucumbers
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| Echinoderms have _________ along the underside of their arms that they use for _______, _______, ________, and ___________. | tube feet, moving, feeding, sensing, respiration
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| A mosquito is an example of a(n) ______________. | exoskeleton
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| A tiger is an example of a(n)_______________. | vertebrate
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| A starfish is an example of a(n) ___________. | echinoderm
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| An arthropod conceals itself to _____ itself. | protect
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
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