WorksheetsUnit 2 Review
Total questions: 47
Worksheet time: 1hrs 19mins
Name
Class
Date
1.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
eutrophication
c)
secondary succession
d)
intermediate
2.
What is an ecological succession?
a)
Series of gradual changes that occur after a disturbance
b)
Changes that only happen when species die
c)
a series of changes that cause a population to increase or decrease
d)
an INSTANT change caused by a disturbance
3.
The final stable community of plants and animals is called:
a)
pioneer community
b)
farmland
c)
climax community
d)
old field
4.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
5.
What is formed during primary succession that doesn't need to be formed during secondary succession?
a)
pioneer species
b)
soil
c)
climax community
d)
lichens
6.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
7.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
8.
succession that occurs in an area with no soil
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer species
9.
What is the goal of the pioneer species in Primary Succession?
a)
To kill the dead materials after a disaster
b)
To rebuild soil
c)
To use carbon and nitrogen
d)
To put fresh oxygen into the air
10.
How do lichens contribute to primary succession?
a)
Lichens decompose organic matter from animals and plants
b)
Lichens begin to break down rock to form soil
c)
Lichens are nitrogen fixing bacteria
d)
Lichens convert carbohydrates into fossil fuels.
11.
succession that occurs in an area with no soil
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
12.
succession that occurs in an area where soil is already present
a)
ecological succession
b)
primary succession
c)
secondary succession
d)
pioneer speciles
13.
What time frame best describes how long primary succession generally takes?
a)
less than year
b)
around 1 year
c)
more than 1 but less than 100
d)
more than a 100 years
14.
Occurs over time
a)
primary succession
b)
secondary succession
c)
both types of succession
15.
What is the goal of the pioneer species in Primary Succession?
a)
To kill the dead materials after a disaster
b)
To rebuild soil
c)
To take up available nutrients
d)
To put fresh oxygen into the air
16.
Succession is the changing sequence of communities that live in an ecosystem during a given time period.
a)
True
b)
False
17.
How would the death of plants affect the carbon and nitrogen cycle?
a)
It wouldn't affect it
b)
It would cause people and plants to die eventually
c)
It would cause plants to grow larger
18.
What is one way that carbon enters the atmosphere?
a)
Sunlight
b)
Vehicle Emissions/ Combustion
c)
Ocean uptake
d)
Rain
19.
How do most animals obtain Nitrogen?
a)
From plants they eat
b)
From the air
c)
From touching things with Nitrogen
20.
What is one way that carbon enters the atmosphere?
a)
Sunlight
b)
Factory emissions
c)
Ocean uptake
d)
Rain
21.
Where can you find carbon?
a)
Petroleum Products
b)
The atmosphere
c)
Plants
d)
All of the above
22.
What is happening because humans have added too much carbon dioxide into the air?
a)
Hole in the ozone layer
b)
Climate change
c)
Pollution
d)
Global cooling
23.
Which process moves carbon stored in fossil fuel into another carbon reservoir?
a)
When fossil fuels are burned, carbon enters the atmosphere as carbon dioxide.
b)
The denitrifying bacteria turns the fossil fuel into carbon dioxide gas.
c)
Decomposers convert the fossil fuels into greenhouse gases like carbon dioxide.
d)
The fossil fuels react with the soil to produce carbonates and carbon dioxide.
24.
Nitrogen fixation processes nitrogen from which of the following sources?
a)
lightning
b)
fertilizers
c)
dead plants
d)
atmosphere
25.
What is one of the most important processes that removes carbon from the atmosphere?
a)
photosynthesis
b)
cellular respiration
c)
erosin
d)
soil respiration
26.
What happens when organisms die and decay?
a)
Their bodies are lifted up
b)
Their nitrogen returns to the soil
c)
they keep their nitrogen
d)
They stay on earth forever
27.
Plants remove nitrogen gas from the air and transform it into other chemicals.
a)
True
b)
False
28.
What happens during the process of nitrogen fixation?
a)
Bacteria change ammonium into atmospheric nitrogen
b)
Bacteria grow on nodules of plant roots
c)
Bacteria absorb ammonia and excrete ammonium
d)
Bacteria convert atmospheric nitrogen into usable nitrogen ammonia
29.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
30.
Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
31.
Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
32.
A relationship between two organisms in which one organism benefits and the other is unharmed
a)
Mutualism
b)
Competition
c)
Parasitsm
d)
Commensalism
33.
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm).
a)
Mutualsim
b)
Parasitism
c)
Commensalism
34.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
35.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
36.
What is a carnivore?
a)
an animal that gets energy by eating other animals
b)
An animal that gets energy by eating only plants
c)
an animal that gets energy by eating both plants and animals
37.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
38.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
39.
Autotroph or heterotroph?
a)
Autotroph
b)
Heterotroph
40.
Autotroph or heterotroph?
a)
Autotroph
b)
Heterotroph
41.
Why don't most parasites kill their hosts immediately?
a)
The host benefits by keeping the parasites alive.
b)
The host is able to fight off the invading parasites.
c)
The parasites help the host before killing it.
d)
The parasites would no longer have a food supply if the host died.
42.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
43.
Which of the following organisms in the food web is a producer?
a)
Giant Panda
b)
Snow Leopard
c)
Mushroom
d)
Bamboo
44.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
45.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
46.
Use the diagram to answer the question.
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?
The trout is a source of food for the human and the eagle. When there are more than one organism vying for the same source we call this____?
a)
Population
b)
Resources
c)
Community
d)
Competition
47.
What is the source of energy for all producers?
a)
sun
b)
wind
c)
Earth
d)
rain
100 %
