Animals go through life cycles just like plants do:
birth, growth, reproduction, death, and all over again.
Let's look at the life cycle of a frog. A frog
begins as an egg. Frog eggs float on the water. They look like
clumps of jelly. Each little egg has a dark speck inside of
it. The speck grows bigger and bigger. It begins to take
shape. When it hatches it is a baby frog called a tadpole.
A tadpole has a broad face and a long flat tail. It can now swim.
As the tadpole grows it develops two legs at the back of
its body. Soon, two more legs grow in the front. At about the
same time, the tadpole's tail begins to shrink. It now looks more
and more like a frog.
The new frog grows until it is ready to reproduce.
Remember, reproduce means make more of its own kind. A female frog
lays about one thousand eggs at a time. A male fertilizes them,
and the fertilized eggs float in the water. These eggs look like
clumps of jelly with dark specks in them. The specks get bigger and
bigger. The life cycle of a frog goes on and on.
Directions: Answer the questions about the life
cycle of an amphibian.
What is the first step in the life
cycle of animals?
growth
reproduction
birth
death
How does a frog begins its life?
as a female
as an egg
as a tadpole
What is a baby frog called?
jelly
egg
tadpole
Where do the first two legs of a
tadpole develop?
front of the body
back
of the body
Reproduce means
make more of its own kind
fertilize
die
What kind of frog lays the eggs?
female
male
What kind of frog fertilizes the
eggs?
female
male
How many eggs does a frog lay?
a few
one
million
one
thousand
Put the following in order of growth using 1,
2, 3.
tadpole
egg
frog
Put the following in order using 1,
2, 3, 4.
growth
death
birth
reproduction
Elementary & Middle School Lessons & Self-Correcting Tests for Children in all Subject Areas. If you have found an error or would like to make comments on this lesson,
please email us at:
MySchoolhouse.online@gmail.com
Copyright 1999-2024 by Educational Designers, LLC. All rights reserved. Lessons & Tests in Math, Reading, Spelling, Science, Language, and Social Studies.
"This site uses cookies from Google to deliver its services and analyze
traffic. Your IP address and user-agent are shared with Google along with
performance and security metrics to ensure quality of service, generate
usage statistics, and to detect and address abuse."
