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WorksheetsLife Cycles
Total questions: 26
Worksheet time: 19mins
Name
Class
Date
1.
The stages of an organism's life from birth to death is called ____________.
a)
circle of life
b)
metamorphosis
c)
life cycle
d)
reproduce
2.
This picture shows what stage of a butterfly?
a)
larve
b)
pupa
c)
adult
d)
egg
3.
This picture shows what stage of the butterfly?
a)
pupa
b)
egg
c)
larva
d)
adult
4.
The picture shows which stage of a butterfly?
a)
larva
b)
adult
c)
pupa
d)
egg
5.
Which stage in the life cycle is also known as the unborn stage?
a)
pupa stage
b)
larva stage
c)
egg stage
d)
adult stage
6.
About 10% of insects go through this type of life cycle.
a)
complete metamorphosis
b)
incomplete metamorphosis
7.
True or False: There are three stages in the incomplete metamorphosis life cycle.
a)
True
b)
False
8.
Which stage does this picture show?
a)
pupa
b)
nymph
c)
larva
d)
egg
9.
Which one of these do plants NOT use in the CO2 cycle?
a)
oxygen
b)
sunlight
c)
water
d)
carbon dioxide
10.
Animals and people release __________.
a)
oxygen
b)
carbon dioxide
11.
Plants release __________ as a waste product.
a)
carbon dioxide
b)
water
c)
oxygen
12.
Plants need ____________ to survive.
a)
oxygen
b)
carbon dioxide
13.
The type of development consisting of four distinct stages: egg, larva, pupa, and adult is called ____________.
a)
complete metamorphosis
b)
incomplete metamorphosis
c)
life cycle
d)
stages
14.
The type of development consisting of three stages: egg, nymph, and adult is called ____________.
a)
life cycle
b)
complete metamorphosis
c)
incomplete metamorphosis
d)
stages
15.
The stages of an organism's life from birth to death is called the _____________.
a)
complete metamorphosis
b)
incomplete metamorphosis
c)
life cycle
d)
stages
16.
The specific times during life or growth are called ____________.
a)
life cycle
b)
complete metamorphosis
c)
incomplete metamorphosis
d)
stages
17.
What is the process called when plants make their own food?
a)
respiration
b)
photosynthesis
c)
metamorphosis
d)
osmosis
18.
Plants are important to the survival of people because they __________.
a)
purify water
b)
spread seeds
c)
produce carbon dioxide
d)
produce oxygen
19.
If a large amount of trees are cut down in an area, what gas would decrease in that area?
a)
helium
b)
oxygen
c)
carbon dioxide
d)
carbon
20.
Respiration is when ___________.
a)
plants use energy from the sun.
b)
oxygen is inhaled and carbon dioxide is exhaled.
c)
animals absorb carbon dioxide
d)
plants make their own food.
21.
Animals expel carbon dioxide as part of ___________.
a)
photosynthesis
b)
migration
c)
respiration
d)
metamorphosis
22.
What do animals add to the atmosphere?
a)
hydrogen
b)
oxygen
c)
carbon dioxide
d)
helium
23.
If an area has more carbon dioxide than oxygen, it needs more _____________.
a)
animals and people
b)
plants
24.
Carbon dioxide and oxygen are transferred through
a)
soil
b)
atmosphere
c)
water
d)
computers
25.
Which stages seems to be at rest?
a)
pupa
b)
metamorphosis
c)
larva
d)
adult
26.
Which stage resembles a worm?
a)
pupa
b)
larva
c)
metamorphosis
d)
egg
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