Indiana Science Grade 6

Chapter 15: Vertebrate Animals

Vertebrate Animals

1.
Bones or cartilage that come in many sizes and shapes and give structure to a body are called __________.
A)a placenta
B)a water repellant
C)a skeleton
D)a carnivore
2.
__________ is the series of body changes that occur during an amphibian's life.
A)Fertilization
B)Metamorphosis
C)Photosynthesis
D)Cartilage
3.
Amphibians are different from reptiles because __________.
A)they live part of their lives in water
B)they give live birth to live young
C)they are placentals
D)most are able to spend their entire lives on land
4.
__________ are the smallest group in the mammal class.
A)Monotremes
B)Carnivores
C)Marsupials
D)Placentals
5.
When they are hatched, young reptiles are __________.
A)usually moist
B)fully developed
C)larvae
D)embryos
6.
Your pet dog is considered __________, because its body temperature remains constant.
A)an ectotherm
B)an herbivore
C)an embryo
D)an endotherm
7.
Amphibians are __________.
A)placentals
B)endotherms
C)ectotherms
D)monotremes
8.
Which of these is an adaptation some adult amphibians have for life on land?
A)large eyes
B)exoskeletons
C)gills
D)a short tongue
9.
Reptiles reproduce by __________.
A)external fertilization
B)internal fertilization
C)meiosis
D)asexual reproduction
10.
Which of these senses is highly developed in lizards and snakes?
A)motion
B)touch
C)smell
D)hearing
11.
Down feathers help birds __________.
A)move through the air swiftly
B)keep warm air next to their bodies
C)find food
D)adapt to life in water
12.
The largest group of vertebrates are __________.
A)fish
B)omnivores
C)placentals
D)monotremes
13.
Animals that eat plants and animals are __________.
A)herbivores
B)producers
C)exotherms
D)omnivores
14.
The __________ connects a developing mammal embryo to its placenta.
A)mammary gland
B)umbilical cord
C)incisor
D)notochord
15.
One adaptation birds have, which allows them to fly, is __________.
A)scaly skin
B)poor eyesight
C)hollow bones
D)four legs
16.
__________ is when amphibians are inactive during cold weather.
A)Hibernation
B)Fertilization
C)Metamorphosis
D)Estivation
17.
__________ is the flexible tissue that is similar to bone but not as hard.
A)Cartilage
B)Carnivore
C)Celsius
D)Chordate
18.
The vertebrae, skull, and other bones make up a vertebrate's __________.
A)shell
B)endoskeleton
C)notochord
D)pouch
19.
The rate of metamorphosis occurs more quickly when amphibians __________.
A)have adequate food sources
B)live in cold water
C)use their eyes to capture prey
D)catch insects with their tongues
20.
What is the difference between bony fish, such as bass, and jawless fish, such as lampreys?
A)Bony-fish skeletons are made of bone and jawless fish have cartilaginous endoskeletons.
B)Bony fish are placentals and jawless fish are marsupials.
C)Bony fish are endotherms and jawless fish are ectotherms.
D)Bony fish are herbivores and jawless fish are carnivores.
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