Ch 9, 6th Grade Question Preview (ID: 42728)


Intro To Animals. TEACHERS: click here for quick copy question ID numbers.

An inherited trait that increases an organism's chances of surviving and reproducing in its environment
a) adaptation
b) endoskeleton
c) molting
d) parasite

Which is NOT a characteristic of a chordate?
a) backbone
b) notochord
c) nerve cord
d) tail

What does an open circulatory system involve?
a) organs producing their own blood
b) a heart pumping blood into an open chamber
c) blood vessels that leak out onto the body
d) none of the above

T/F: Chordates can be invertebrates.
a) true
b) false
c)
d)

Birds do not have/do what to allow them to fly
a) hollow bones
b) crystallize urine
c) wings and strong chest muscles
d) an air bladder

Which is NOT a group of fish?
a) jawless
b) boneless
c) sharks and rays
d) bony

A turtle would be an example of a
a) fish
b) amphibians
c) reptile
d) mammal

Have a cuticle that is replaced in the molting process
a) roundworms
b) flatworms
c) segmented worms
d) arthropods

Some have shells; others do not
a) roundworms
b) mollusks
c) arthropods
d) cnidarians

Have tube feet that help them move
a) echinoderms
b) mollusks
c) arthropods
d) cnidarians

This group's name is Annelida, which means little rings.
a) echinoderms
b) segmented worms
c) roundworms
d) flatworms

All members of this invertebrate group filter food and can only move when they are young
a) cnidarians
b) mollusks
c) segmented worms
d) sponges

Which kind of symmetry does a penguin have?
a) bilateral
b) radial
c) asymmetry
d)

The arthropod group that has 8 legs is
a) insects
b) crustaceans (lobsters, crabs)
c) arachnids (spiders, scorpions)
d) millipedes and centipedes

Which arthropod part is where the legs are attached?
a) head
b) thorax
c) abdomen
d)

Adaptations that include senses, skeletons, and circulation are called
a) structural adaptations
b) functional adaptations
c) behavioral adaptations
d) constructional adaptations

All animals are
a) multicellular
b) unable to make their own food
c) begin life as a zygote
d) all of the above

What percent of all known animal species is made up by invertebrates?
a) 50%
b) 34%
c) 71%
d) 95%

The system scientists use to organize living things is called
a) taxidermy
b) taxonomy
c) taxation
d) organization

Adaptations that help a species survive or maintain homeostasis, like successful reproduction, are called
a) structural adaptations
b) functional adaptations
c) behavioral adaptations
d)

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