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WorksheetsAnimal Life Cycles
Total questions: 50
Worksheet time: 50mins
What is this diagram a model of?
a chicken's day
the water cycle
a chicken's life cycle
a chicken's family
What is it called when an animal changes drastically over the course of its life?
life cycle
metamorphosis
growing up
teenage
These tadpoles are a stage in the life cycle of what animal?
fish
frog
turtle
insect
What does a life cycle show?
Shows an animal or plants life from birth to adult
Shows what one can eat to get stronger
Shows plant and animal needs
Shows and describes food chains
Which picture shows a frog as an egg?
The picture shows what a tadpole looks like now. What would happen next in this frog's life cycle?
It would become an egg.
It would grow legs.
It would be an adult frog.
The picture below shows a butterfly as an egg. What would happen next in this butterfly's life cycle?
Caterpillar
Butterfly
Chrysalis
Eggs
Which of these animals must go through stages before they resemble their parents?
Fox
Butterfly
Hippo
Dog
The second stage of an insect is a worm-like stage called ________.
tadpole
larva
offspring
After a frog hatches from an egg it looks just like an adult frog.
True
False
Which animal’s life cycle begins with a live baby?
bird
mammal
amphibians
reptile
Choose the correct sequence of the frog's life cycle
froglet, tadpole, frog, and egg
egg, frog, tadpole, and froglet
egg, tadpole, froglet, and frog
tadpole, froglet, frog, and egg
What is another name for chrysalis?
caterpillar
larva
pupa
adult
Which animal goes through complete metamorphosis?
A caterpillar needs what in order to change into a butterfly?
eat a lot of food to prepare for the chrysalis stage
molt its skin
change its gills into lungs
germinate from its seed
An alligator is a cold-blooded animal that is classified as a ________________.
bird
mammal
reptile
amphibian
An animal that can live on land and in water but usually lays eggs in the water is called an _____________.
amphibian
bird
reptile
mammal
What is NOT a characteristic of a Reptile?
Have scales not hair or fur
Cold-blooded
Most lay eggs
Warm-blooded
What type of animal is a Dog?
Reptile
Insect
Mammal
Amphibian
Which animal is considered an Amphibian like a frog?
Flamingo
Salamander
Cow
Snake
What type of animal is a Chameleon?
Mammal
Amphibian
Reptile
Bird
An adult frog will lay eggs _______________.
in sand
in the water
on fruit
in nests
Where do most butterflies lay their eggs?
underground
in ice
on tree leaves
in the water
What is the correct order of stages of this deer?
newborn, youth, adult
baby, newborn, teen
adult, newborn, baby
What does molting mean?
to loose hair
to wrinkle up
to shed its skin
to grow up
Most birds and reptiles reproduce by ______________
Giving birth to live young
Laying eggs
Changing from a larva to a pupa
Metamorphosis
Which is NOT an example of a frog's life cycle?
egg hatches
loses its gills and grows lungs
returns to the water to lay eggs
has live babies
Like all amphibians, frogs are _______.
warm-blooded
cold-blooded
Plants and animals both have life cycles.
True
False
The word organism means?
Living things
Eggs
Nymph
Because an elephant lives longer than a mouse, the elephant is said to have a longer?
Life cycle
Life span
Khloe wants to observe a ladybug go through its life cycle, but she can’t find one. She decides to watch something that has a similar life cycle instead. Which should she study?
Frog
Mouse
Butterfly
Fish
Amphibians are small vertebrates that need ___, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts. All can breathe and absorb ____ through their very thin skin.
What is the missing word?
water
nitrogen
carbon dioxide
bread
"Offspring" is another word for an organism's ___ .
child
brother
sister
grandparent
What animal is a mammal, but also lays eggs to reproduce?
platypus
sea turtle
crab
goldfish
Name the bird life stages in the picture:
1 - egg, 2 - embryo, 3 - hatchling
1 - embryo, 2 - egg, 3 - hatchling
1 - hatchling, 2 - egg, 3 - embryo
Why would a mouse be considered a mammal?
They feed their offspring milk
They have feathers
They have a tail
They have two ears
Based on the life cycle picture above, how would you classify an alligator?
reptile
amphibian
bird
mammal
Scott wants to observe a salamander go through its life cycle, but he can’t find one. He decides to watch something that has a similar life cycle instead. Which should she study?
Frog
Mouse
Butterfly
Fish
Jaxon wants to observe a gorilla go through its life cycle, but he can’t find one. He decides to watch something that has a similar life cycle instead. Which should she study?
frog
chimpanzee
butterfly
sea turtle
Why is a seed important to the plant life cycle?
because it starts the life cycle
because it is the part of the life cycle where the plant grows leaves
because it is the part where the plant sprouts
What does it mean to germinate?
the sprouting of a seed
producing a seed
making a flower
Only flowering plants produce ____ .
seeds
leaves
roots
Based on the life cycle picture, what type of animal is a sea turtle?
reptile
amphibian
mammal
fish
