Glencoe Science Level Red

Chapter 18: Vertebrate Animals

Vertebrate Animals

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