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WorksheetsCat. 4 STAAR
Total questions: 92
Worksheet time: 54mins
Name
Class
Date
1.
What does every food chain start with?
a)
producers
b)
sun
c)
consumer
d)
decomposers
2.
True or False; Herbivores eat Carnivores.
a)
True
b)
False
3.
Why is a shark a carnivore.
a)
because it eats seaweed
b)
because it eats dead animals
c)
because it eats sand
d)
because it eats other animals
4.
Which is NOT an abiotic factor:
a)
soil
b)
air
c)
bacteria;
d)
water
5.
What percentage of energy is passed on to each tropic level?
a)
10%
b)
50%
c)
90%
d)
100%
6.
What might happen if you remove a primary consumer from the ecosystem?
a)
There would be more food for secondary consumers.
b)
The number of primary consumers would increase.
c)
The number of plants would increase.
d)
The number of secondary consumers would increase.
7.
What might occur when a carnivore is removed from the food web?
a)
A) Nothing. Organisms cannot impact things below them on the energy pyramid.
b)
B) Primary consumers will overpopulate.
c)
C) Plants will be over browsed by herbivores.
d)
D) both B and C might occur.
8.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
9.
symbiotic relationship in which one organism benefits and the other organism is harmed
a)
secondary succession
b)
predation
c)
pioneer species
d)
parasitism
10.
anything that an organism needs to live, ex. food, water, space
a)
carrying capacity
b)
resource
c)
succession
d)
denitrification
11.
a relationship between two in which one species, the predator, feeds on the other species, the prey
a)
chemosynthesis
b)
predation
c)
cellular respiration
d)
commensalism
12.
symbiotic relationship in which one organisms benefits and the other organism is not affected
a)
invasive (non-native) species
b)
mutualism
c)
nitrogen fixation
d)
commensalism
13.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
14.
Network of all food in an ecosystem
a)
ecology
b)
food web
c)
decomposer
d)
food chain
15.
Study of interactions between organisms and their environment
a)
niche
b)
community
c)
ecology
d)
ecosystem
16.
Where an organism lives
a)
habitat
b)
niche
c)
heterotrogh
d)
biosphere
17.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
18.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain
d)
biome
19.
Living factors or organisms that affect an ecosystem
a)
abiotic factors
b)
species
c)
trophic level
d)
biotic factors
20.
Consumer that eats animals or meat
a)
carnivore
b)
omnivore
c)
consumer
d)
producer
21.
This is an image of a _________.
a)
consumer
b)
scavenger
c)
decomposer
d)
producer
22.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
23.
What are the effects of fertilizers in water?
a)
releases oxygen making it easier for plants to grow
b)
releases carbon making it easier for fish to live
c)
release nitrogen which causes an overgrowth of algae
d)
there are no effects of fertilizers in water
24.
What are the advantages of water pollution?
a)
Healthier plants and animals in the area
b)
Helps to lower global temperatures
c)
Helps keep people healthier in those areas
d)
there are no advantages to pollution
25.
What is the difference between point source and non-point source pollution?
a)
Point source: one source of pollution
Non-point source: one source of pollution
Non-point source: one source of pollution
b)
Point source: many sources of pollution
Non-point source: one source of pollution
Non-point source: one source of pollution
c)
Point source: one source of pollution
Non-point source: many sources of pollution
Non-point source: many sources of pollution
d)
Point source: many sources of pollution
Non-point source: many sources of pollution
Non-point source: many sources of pollution
26.
True or false? An estuary has very little nutrients and life.
a)
True
b)
False
27.
What are the two basic causes of water pollution
a)
1. Industrialization
2. Farming
2. Farming
b)
1. Farming
2. Rapid human population growth
2. Rapid human population growth
c)
1. Increased amounts of animal waste near bodies of water
2.Industrialization
2.Industrialization
d)
1. Rapid human population growth
2.Industrialization
2.Industrialization
28.
What is an Estuary?
a)
Water in the ground that is polluted.
b)
Temperatures are increased due to human activity. Causes too much algae bloom and loss of oxygen in the water.
c)
When saltwater and freshwater meet and create a nutrient packed zone which has a lot of oxygen and a lot of life.
d)
Limestone ridges with lots of color and provides homes for many sea creatures.
29.
What/who is causing the most damage to coral reefs?
a)
Humans
b)
DJ Khaled
c)
Invasive Species
d)
Global Warming
30.
What is the definition of Biotic factors?
a)
Dead things
b)
plants
c)
Living things or organisms
d)
soil
31.
What is the definition of Abiotic factors?
a)
Alive organisms or things
b)
Dead things or organisms
c)
panda
d)
insect
32.
What is a example of a abiotic factor?
a)
Panda
b)
Turtle
c)
Butterfly
d)
weather
33.
What is an example of a biotic factor?
a)
skunk
b)
rocks
c)
soil
d)
water
34.
What are the three groups of the biotic factors?
a)
Producer, Decomposer, and Consumer
b)
Decomposer, Consumer, and Rocks
c)
Consumer, Water, and Producer
d)
Weather, Consumer, and Decomposer
35.
What does a biotic do?
a)
do nothing
b)
move, repopulate, and live
c)
stand still
d)
dead things
36.
Temperature, light, air, water, and soil are all _____ parts of the environment
a)
alive
b)
biotic
c)
abiotic
d)
living
37.
Abiotic factors are livings things in an ecosystem.
a)
False
b)
True
38.
Sometimes referred to as "survival of the fittest" - this phenomenon refers to when living organisms have traits that are favorable to their environment, which help them survive and reproduce.
a)
Natural Selection
b)
Mutation
c)
Bacteria
39.
Insecticides are sprayed over a large area in an effort to reduce the number of grasshoppers that are eating the corn plants. How will this change affect this food chain?
a)
The number of grasshoppers will increase
b)
The number of lizards will increase
c)
The number of lizards and hawks will decrease
d)
The number of grasshoppers, lizards, and hawks will decrease
40.
An organism that cannot adapt to changes in the environment will most likely -
a)
produce more offspring
b)
die
c)
change its traits to survive
d)
store more food
41.
All of the following are examples of environmental changes that can be caused by humans except -
a)
clearing land for housing developments
b)
pesticides
c)
volcanic eruption
d)
pollution
42.
Scientists gathered the following data on lizard populations for several years. The results are shown in the table. Which environmental factor most likely contributes to the change in lizard population?
a)
increase in available water and food
b)
increase in shelter
c)
increase in predators
d)
increase in light
43.
1. What is an adaptation?
a)
A feature or behavior that helps an animal survie.
b)
The food that an animal eats.
c)
How energy moves in a food web.
44.
This is a period of deep sleep that occurs in some animals when outside temperatures are cold: ______
a)
hibernation
b)
migration
45.
How do adaptations help animals?
a)
To hide from predators
b)
to hunt for food
c)
to survive in their habitats
d)
All of these are correct
46.
Which adaptation would NOT help a hawk catch a mouse?
a)
Hollow Bones
b)
Good eye sight
c)
Talons
d)
Camouflage
47.
Which of these BEST describes how some birds survive when the weather gets cold?
a)
a. They store twigs and sticks in their nest
b)
b. They migrate to a warmer climate
c)
c. They grow more feathers to stay warm in the winter
d)
d. They hide in bushes and wait for warm weather
48.
Some animals move great distances as the seasons change. What is this called?
a)
hibernation
b)
migration
c)
habitat
d)
coloration
49.
What eats both plants and animals?
a)
Carnivore
b)
Omnivore
c)
Herbivore
d)
Producer
50.
Organisms that break down ______________ or remains are decomposers.
a)
Waste
b)
Protein
c)
Molecules
d)
Community
51.
An organism such as a plant that makes its own food is called a
a)
Consumer
b)
Producer
c)
Decomposer
d)
Carnivore
52.
An animal that is _______________ and eaten by another animal is prey.
a)
hunted
b)
scared
c)
related
d)
community
53.
An ecosystem is a place where living and nonliving things _____________ on each other.
a)
depend
b)
feed
c)
eat
d)
community
54.
A ______________________ eats only meat.
a)
Carnivore
b)
Omnivore
c)
Herbivore
d)
Producer
55.
A _____________ eats only plants.
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
56.
An organism that eats another organism is a
a)
Producer
b)
Consumer
c)
Decomposer
57.
Any living thing is called a _____________________
a)
animal
b)
organism
c)
atom
d)
Producer
58.
The living part of the ecosystem is the ______________________.
a)
Community
b)
Web
c)
Chain
d)
Organism
59.
An animal that kills another animal for food is called
a)
prey
b)
predator
c)
producer
d)
herbivore
60.
The source of energy for producers is the
a)
energy
b)
sun
c)
plants
d)
animals
61.
Plants need the sun to make their own food.
a)
True
b)
False
62.
A drought could help an ecosystem.
a)
True
b)
False
63.
The death of all the members of a certain group of organisms
a)
extinction
b)
migration
c)
hibernation
d)
instinct
64.
Food, water, air, and shelter that an organism needs to survive.
a)
instinct
b)
basic needs
c)
camouflage
d)
adaptation
65.
A body part of behavior that helps an organism survive.
a)
Adaptations
b)
Physical
c)
Behavioral
d)
Instinct
66.
Wings
a)
Behavioral
b)
Physical
67.
Webbed Feet
a)
Behavioral
b)
Physical
68.
Migration
a)
Behavioral
b)
Physical
69.
What is the first thing that would happen in this food chain if the grass died?
Sun -> Grass -> Mouse -> Snake -> Hawk
Sun -> Grass -> Mouse -> Snake -> Hawk
a)
The snake population would increase
b)
the mouse population would increase
c)
the mouse population would decrease
d)
the hawk population would decrease
70.
What flows through a food chain?
a)
the sun
b)
energy
c)
food
d)
water
71.
Which of the following is a producer
a)
Blueberry Bush
b)
Tree
c)
Flower
d)
All of the above
72.
Which of the following is a consumer?
a)
Flower
b)
Tree
c)
Mushroom
d)
None of the Above
73.
All food chains_____________________
a)
have more consumers than producers
b)
produce and use same amount of energy
c)
begin with a producer
d)
are unhealthy
74.
Plants produce sugar and oxygen through what process?
a)
Digestion
b)
Carbon Dioxide
c)
Fermentation
d)
Photosynthesis
75.
An organism that gets food by eating other organisms?
a)
producer
b)
consumer
c)
herbivore
d)
decomposer
76.
Non-native specie causing harm to its environment is called an___________.
a)
extinct
b)
algae
c)
invasive species
d)
consumer
77.
What is an ecosystem?
a)
producing food from sunlight
b)
animals that live in certain areas
c)
living and nonliving things that interact in an area
d)
a person who studies an environment
78.
Where does most of the energy in an ecosystem originate?
a)
The Sun
b)
The moon
c)
Earth's core
d)
Plants
79.
Which of these is a "producer"?
a)
An oak tree
b)
A wolf
c)
A squirrel
d)
A mushroom
80.
Which of these is always a primary consumer, and thus only eats plants?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
81.
Which of these can be a primary or a secondary consumer, as it eats both plants & animals?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer
82.
What does a scavenger eat?
a)
Any prey that it can catch.
b)
Fresh plants only.
c)
Things that are already dead.
d)
Only pepperoni pizza
83.
Which of these is a decomposer?
a)
Bacteria
b)
Worms
c)
Fungus
d)
All of these
84.
All steps in a food chain always involve a loss of...
a)
light
b)
mass
c)
time
d)
energy
85.
As shown in this foodweb, which of these is NOT an omnivore?
a)
The grouse
b)
The grizzly bear
c)
They are all omnivores
d)
The marmot
86.
In this foodweb, what niche does the butterfly fill?
a)
Primary consumer
b)
Omnivore
c)
Secondary consumer
d)
Producer
87.
This is an example of which type of a relationship?
a)
Predation
b)
Parasitism
c)
Competition
d)
Mutualism
88.
This is an example of which type of a relationship?
a)
Competition
b)
Commensalism
c)
Predation
d)
Parasitism
89.
This is an example of which type of a relationship?
a)
Mutualism
b)
Competition
c)
Commensalism
d)
Parasitism
90.
In which of these does one species benefit while the other is neither helped nor harmed?
a)
Competition
b)
Commensalism
c)
Mutualism
d)
Parasitism
91.
Humans breeding beef cattle by choosing the biggest ones to breed is an example of...
a)
Artificial Selection
b)
Autotrophs
c)
Competition
d)
Natural Selection
92.
Which of these would be considered an abiotic factor in an ecosystem?
a)
The producers
b)
The consumers
c)
The temperature
d)
The decomposers
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