Worksheetscat 4 science
Total questions: 40
Worksheet time: 37mins
Name
Class
Date
1.
All organisms in an ecosystem need energy to live. Organisms can be grouped by how they get energy. Organisms in an ecosystem are grouped as ___________, _____________, __________________.
a)
composers and producers
b)
producers, consumers, or decomposers.
c)
decomposers and producers
d)
producers and consumers
2.
Producers are organisms that use energy from the Sun _____________ through a process called photosynthesis.
a)
buy their own food
b)
eat food that others make
c)
to make their own food
d)
not eat and starve
3.
________ are an example of a decomposer.
a)
Algae
b)
pigs
c)
mushrooms
d)
tigers
4.
This organism crawls in the soil
and eats dead and decaying
organisms, along with dirt. It
then drops its castings
(wastes) into the soil, which
fertilizes the soil. Is it a ....
and eats dead and decaying
organisms, along with dirt. It
then drops its castings
(wastes) into the soil, which
fertilizes the soil. Is it a ....
a)
Producer
b)
Consumer
c)
Decomposer
5.
This organism is microscopic and
lives in soil. It feeds off of dead
and dying organisms, creating
carbon and nitrogen, which is
sent back into the soil to be used
over. Is it a...
lives in soil. It feeds off of dead
and dying organisms, creating
carbon and nitrogen, which is
sent back into the soil to be used
over. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
6.
Earthworm. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
7.
Fungi. Is it a...
a)
Producer
b)
Consumer
c)
Decomposer
8.
A decomposer?
a)
Eats dead plants or animals and breaks down to put nutrients in the soil
b)
Eats plants or other animals for food
c)
Makes its own food
d)
Machine that gathers trash
9.
In this food web, which two organisms could be harmed if the mouse population were to decrease?
a)
Deer and caterpillar
b)
Wolf and snake
c)
Oak and grass
d)
Hawk and songbird
10.
Decomposers affect all levels of the food web.
a)
True
b)
False
11.
What is missing from this food chain?
Grass > Grasshopper > Bird > Snake
Grass > Grasshopper > Bird > Snake
a)
Producer
b)
Primary Consumer
c)
Secondary Consumer
d)
Decomposer
12.
What is the source of energy for photosynthesis?
a)
carbohydrates (chemical energy)
b)
sunlight (radiant energy)
c)
heat (thermal energy)
d)
wind (kinetic energy)
13.
Why do plants conduct photosynthesis?
a)
to make light
b)
to make ATP
c)
to make glucose
d)
to release carbon dioxide
18.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
15.
What are the products of photosynthesis (what is made)?
a)
Glucose and Chlorophyll
b)
Glucose and Oxygen
c)
Water and Light energy
d)
Carbon dioxide and Water
16.
Why is photosynthesis an important process for life?
a)
it creates oxygen for animals to breathe
b)
it becomes a food source for other organisms
c)
it creates glucose for plants to use as energy
d)
all of these are correct
17.
What is the process of making food in plants called?
a)
interdependence
b)
symbiosis
c)
photosynthesis
d)
homeostasis
18.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
19.
What are organisms?
a)
Non-living Things
b)
Living Things
c)
Offsprings
d)
Dana
20.
Which of the following is a living thing?
a)
Door
b)
Window
c)
Dog
d)
School Building
21.
Which of the following is an example of a nonliving thing?
a)
Student
b)
Teacher
c)
Elephant
d)
Desk
22.
Any living thing is an
a)
organ
b)
organism
c)
old book
d)
octagon
23.
Non-Living or Living?
a)
Living
b)
Non-Living
24.
Non-Living or Living?
a)
NonLiving
b)
Living
25.
What is a living thing?
a)
Something that uses energy, moves and changes, or is alive
b)
Something that does not need oxygen
c)
A rock
26.
What is the first stage of a frog's life cycle?
a)
eggs
b)
A tadpole
c)
A froglet
d)
Adult frog
27.
List the stages of a frog's life cycle in order.
a)
Mother, Froglet, Tadpole, Frog, Egg
b)
Frog, Froglet, Tadpole, Adult
c)
Egg, Tadpole, Froglet, Frog
d)
Tadpole, Egg, Frog, Froglet
28.
Can a tadpole breathe?
a)
Yes
b)
No
29.
Oxygen is a living element that humans and animals require to live.
a)
True
b)
False
30.
The carbon dioxide - oxygen cycle cannot occur under water.
a)
True
b)
False
31.
What does a plant to with Carbon Dioxide?
a)
It uses the nutrients from the soil to process food.
b)
Uses it along with water and light to go through photosynthesis.
c)
It breaks down the oxygen in order to survive and releases it into the air.
d)
It removes toxins from the plant.
32.
Characteristics passed from parents to their offspring.
a)
behavior
b)
learned trait
c)
inherited trait
d)
function
33.
A behavior that is developed by observing others or by being taught is a
a)
learned behavior
b)
inherited trait
c)
adaptation
d)
function
36.
Which of these is not an inherited trait?
a)
a bird building a nest
b)
a turtle burying its eggs
c)
a bear hibernating in winter
d)
a horse pulling a plow
35.
What is NOT an example of an inherited TRAIT?
a)
eye color
b)
tongue rolling
c)
height
d)
speaking a language
36.
Which of these is not an inherited trait?
a)
a bird building a nest
b)
a turtle burying its eggs
c)
a bear hibernating in winter
d)
a horse pulling a plow
37.
Which best explains why a child may look like his father, but is not able to play basketball as well as him?
a)
Physical characteristics are inherited, but the ability to shoot a basketball is not.
b)
The ability to shoot a basketball is inherited, but physical characteristics are not.
c)
The child chooses to look like his father, but he does not choose to play basketball.
d)
He hates playing basketball so he doesn't care if his dad can play.
38.
Which is an example of a learned characteristic?
a)
color of a dog's fur
b)
color blindness of a person
c)
the ability of a mouse to run a maze
d)
a person's ability to roll their tongue
39.
Which characteristic is inherited?
a)
hair color
b)
sleeping late
c)
enjoying hiking
d)
loving to read
40.
The following are inherited traits of humans EXCEPT...
a)
long hair
b)
blue eyes
c)
long eyelashes
d)
small dimples
100 %
