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WorksheetsLife cycles
Total questions: 19
Worksheet time: 14mins
Name
Class
Date
1.
The sun is considered the ultimate source of energy for life on Earth because _______________.
a)
All organisms carry out photosynthesis.
b)
Some organisms carry out cellular respiration.
c)
The sun heats the Earth's atmosphere.
d)
Every food chain starts with an organism that goes through the process of photosynthesis.
2.
What is an annual plant?
a)
Plants that live for 2 years and then die.
b)
Plants that come back year after year.
c)
Plants grow from a seed, flower and then produce seeds all in one season. It dies after producing new seeds.
3.
In the life cycle of a plant, the plant eventually dies and then there are seeds left which germinate to produce new plants. Which of the following means that the plant will take two years to complete their life cycle?
a)
Annual
b)
Perennial
c)
Biennial
4.
According to the picture, which stage does pollination occur in the life cycle of flowering plants?
a)
A
b)
B
c)
C
d)
D
5.
Clothing and over the counter medicines can be made using flowering plants.
a)
True
b)
False
6.
Plants are very important to us. All food people eat comes directly or indirectly from plants.
a)
True
b)
False
7.
What is the beginning of the life cycle called for animals and humans?
a)
Death
b)
Birth
c)
Germination
d)
Seedling
8.
The word metamorphosis means...
a)
a change in shape.
b)
no change.
c)
to be equal.
9.
Most animals that include fish, reptiles, and mammals have very simple life cycles. Which of the following is true?
a)
They are born (either hatched from eggs or live from a mother).
b)
They grow.
c)
They become adults.
d)
All of the choices are correct.
10.
Death is the first stage of the life cycle.
a)
True
b)
False
11.
Most insects go through 4 stages in their life cycle. What is the correct order below?
a)
adult, pupa, larva, egg
b)
pupa, larva, adult, egg
c)
egg, larva, pupa, adult
12.
During this adult stage, the organism can produce "offspring". What is this called?
a)
growth
b)
reproduction
c)
development
d)
death
13.
Another name for the caterpillar during the butterfly life cycle is called...
a)
larva
b)
adult
c)
egg
14.
Plants and animals are among those things that change.
a)
True
b)
False
15.
How many stages are there in a butterfly cycle?
a)
1
b)
2
c)
3
d)
4
16.
Identify the first stage of the butterfly cycle.
a)
Butterfly
b)
Pupa
c)
egg
d)
seedling
17.
Which stage is known as the reproductive stage and the final stage for the species in the butterfly?
a)
egg
b)
pupa
c)
adult
d)
larva
18.
What is the correct order of the butterfly’s life cycle?
a)
Egg, caterpillar, pupa, butterfly
b)
Egg, pupa, butterfly, caterpillar
c)
Pupa, egg, caterpillar, butterfly
19.
What is the first stage of the butterfly life cycle called?
a)
pupa
b)
adult
c)
egg
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