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Ecology

Total questions: 99

Worksheet time: 2hrs 50mins

Name
Class
Date
1.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
2.
which symbiosis is this 
a)
parasitism 
b)
mutualism
c)
commensalism
d)
nonalism 
3.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
4.
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
5.
Study of interactions between organisms and their environment 
a)
niche
b)
community 
c)
ecology
d)
ecosystem
6.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
7.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain 
d)
biome
8.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
9.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
10.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
11.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
12.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
13.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
14.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
15.
The area between the highest mountain and the deepest ocean where life can be found
a)
Biosphere
b)
Biome
c)
Farm
d)
Ecosystem
16.
Which of the following best describes an ecosystem?
a)
all the living organisms in an area and their physical surroundings
b)
a region with a distinct climate
c)
all the living organisms of the same species throughout the world
d)
all the living organisms in an area
17.
The animal species shown above would most likely be found wild in which of the following biomes?
a)
grassland
b)
temperate forest
c)
tropical rainforest
d)
arctic tundra
18.
What is the ultimate source of energy for all ecosystems?
a)
the Sun
b)
plants
c)
secondary consumers
d)
primary consumers
19.
Grazing cows disturb the grass and cause insects to fly around the cows as they eat. In turn, birds swoop in and eat the insects. This type of feeding relationship is an example of
a)
commensalism.
b)
mutualism.
c)
parasitism.
d)
predation.
20.
all populations of all species living in an ecosystem.
a)
population
b)
community
c)
ecosystem
d)
species
21.
Abiotic means____________.
a)
Nonliving
b)
Living
22.
Biotic means ____________. 
a)
Nonliving
b)
Living
23.
What are the Biotic factors in this image?
a)
There are none
b)
Sunlight, water, air
c)
Elephants, plants, trees 
24.
Which of the following is NOT an abiotic factor?
a)
sunlight
b)
soil
c)
bacteria
d)
pond water
25.
Which of the following includes organisms interacting with their environment (abiotic factors)?
a)
Individual
b)
Community
c)
Ecosystem
d)
Biome
26.
Which of the following describes a population of fish, crabs, and sharks that live in the same area?
a)
Ecosystem
b)
Biome
c)
Biosphere
d)
Community
27.
Which of the following is a biotic factor?
a)
lizards
b)
temperature
c)
clouds
d)
humidity
28.
Which of the following biomes does North Carolina fall into?
a)
Desert
b)
Forest
c)
Grasslands
d)
Aquatic
29.
Which term means the number of different species that live in a particular area?
a)
Ecosystem
b)
Biodiversity
c)
Invasive Species
d)
Food Web
30.
What defines an organism that is not native to the area it lives in and has negative effects in some way?
a)
Invasive Species
b)
Biodiversity
c)
Food Chains
d)
Food Webs
31.
Which of the following is the sum of all living organisms on Earth?
a)
community
b)
biosphere
c)
food web
d)
population
32.
As a population grows, it will most likely stop growing at what size?
a)
Growth limit
b)
Exponential limit
c)
Carrying Capacity
d)
It won't stop growing
33.
No two species can occupy the same niche
a)
Competitive Exclusion Principle 
b)
Limiting Exclusion Theory
c)
Competitive Limiting Principle
d)
Limiting Competitive Theory 
34.

What is the term for a group of different species in a given area?

a)

community

b)

population

c)

ecosystem

d)

biome

35.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
36.
In Manhattan, rabbits only grass.  If there is a rapid growth in rabbit population, which of the following scenarios will happen?
a)
The amount of grass will increase, leading to an increase in rabbit population.
b)
The amount of grass will decrease, leading to a decrease in the number of rabbits.
c)
The amount of grass will decrease, leading to an increase in the number of rabbits.
37.
The picture below shows a ____.
a)
population
b)
community
c)
ecosystem
d)
biome
38.
The colors in the map below would most likely be used to identify ___.
a)
the biomes around the world
b)
the communities around the world
c)
the species around the world
d)
the populations around the world
39.
Which biome is characterized by low temperatures and low amounts of rainfall?
a)
tundra
b)
desert
c)
temperate deciduous forest
d)
tropical rain forest
40.
Which biome covers most of the land mass near the Earth's equator?
a)
tundra
b)
desert
c)
grassland
d)
tropical rainforest
41.
Which biome, because of its climate, has the largest number of species of plants and animals?
a)
tundra
b)
desert
c)
tropical rainforest
d)
pine forest
42.
One characteristic feature of tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a layer of permanently frozen subsoil.  This characteristic is known as
a)
glaciation
b)
permafrost
c)
crystallization
d)
soilfrost
43.
Which type of trees is found in a temperate forest?
a)
deciduous
b)
evergreen
c)
ginko
d)
palm
44.
Which major biome is home to cacti, mesquite, white thorn, pack rats, small reptiles, and coyotes?
a)
desert
b)
taiga
c)
tundra
d)
grassland
45.
In which biome is Georgia located?
a)
tropical rainforest
b)
temperate rainforest
c)
temperate deciduous forest
d)
alpine forest
46.
Which biome receives between 0 to 25 centimeters of rain per year, has a temperature range of 0 to 50 degrees Celsius, has poor soil, and is home to lizards, scorpions, and snakes?
a)
desert
b)
mountain
c)
taiga
d)
tundra
47.
Which biome receives between 0 and 25 centimeters of precipitation each year, has a temperature range from -27 to 5 degrees Celsius, has frozen soil, and is home to hares, caribou, and wolves?
a)
desert
b)
mountain
c)
savannah
d)
tundra
48.
Which of the following habitats probably has the greatest number of plant and animal species?
a)
the African savannah
b)
a rainforest in Brazil
c)
a temperate forest in China
d)
a temperate grassland in Kansas
49.

This biome contains mostly spruce trees and Douglas firs, which are both evergreen. The winters are long and cold and the summers are short and rainy. The soil is very rich. Moose and elk live here. This biome is classified as a

a)

boreal forest

b)

tundra

c)

deciduous forest

d)

temperate forest

50.
The biome known for trees with broad leaves that fall off the trees in the winter.
a)
Coniferous Forests
b)
Deciduous Forests
c)
Deserts
d)
Tropical Rain Forests
51.
The most important abiotic factors when studying biomes are...
a)
Food and Water
b)
Water and Sunlight
c)
Temperature and Oxygen
d)
Water and Temperature 
52.
The greatest biodiversity on earth is found in the __________ biome.
a)
taiga
b)
grassland
c)
temperate deciduous forest
d)
tropical rainforest
53.

A ________ is a forest biome consisting mostly of cone-bearing evergreen trees

a)

desert

b)

temperate deciduous forest

c)

boreal forest

d)

tundra

54.
Areas defined by their geographical location and ecological similarity are called?
a)
ecozones
b)
biotopes
c)
biomes
d)
biodomes
55.
What are the key features of the Tundra?
a)
cold winter, thin acidic soil, evergreen trees
b)
treeless, permafrost, cold dark winters
c)
ong cool summers, short dark winters, migrating animals
d)
many evergreen trees, short moist summers, long snowy winters
56.
One characteristic feature of the tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a permanently frozen subsoil. This characteristic is known as 
a)
Hoarfrost
b)
Glaciation
c)
Permafrost
d)
Crystallization 
57.
The kangaroo rat is able to get all of the water it needs through it's food and therefore, never needs to drink liquid. This animal has adapted to survive in which biome that rains less than 2 inches a year?
a)
Forest
b)
Tundra
c)
Desert
d)
Grassland
58.

What biomes is shown in color here?

a)

rainforest

b)

desert

c)

grassland

d)

taiga

59.
Choose the correct order of organization from smallest to largest
a)
Species--> Population--> Community--> Ecosystem-->Biosphere
b)
Community--> Species--> Population--> Biosphere --> Ecosystem
c)
Ecosystem--> Community--> Species--> Population--> Biosphere 
d)
Population-->Species--> Community--> Ecosystem-->Biosphere
60.

Which characteristics are biomes not classified by?

a)

Climate

b)

Plants

c)

Soil quality

d)

Precipitation

61.
The eastern U.S. is comprised of mostly which biome?
a)
Desert
b)
Temperate grassland
c)
Temperate deciduous forest
d)
Taiga
62.
Cacti have had to make all except the following adaptations to survive in the desert:
a)
Modified leaves in the form of thorns
b)
Elaborate root systems
c)
Large stems for extra water storage
d)
Flowers that attract swarms of honey bees
63.

Which biome is the coldest?

a)

Boreal forest

b)

Temperate rain forest

c)

Tropical rain forest

d)

Temperate deciduous forest

64.
Complete the levels of organization in ecosystems:
Populations > Communities > Biomes
a)
Ecology
b)
Ecosystems
c)
Organisms
d)
Biosphere
65.

Why is the Chaparral so unique?

a)

It's very cold there

b)

It has a lot of biodiversity

c)

Plants have adapted to use natural fires for germination

d)

It's the only biome with snakes

66.

Which animal would you most likely not find living in the Tundra or Boreal forest.

a)

Polar bear

b)

Owl

c)

Elk

d)

Snake

67.
What aquatic biome is characterized by flowing fresh water?
a)
Lakes/Ponds
b)
Mangroves Swamps
c)
Rivers/Streams
d)
Coral Reefs
68.
Which of the following is considered a wetland?
a)
Swamps
b)
Marshes
c)
Bogs
d)
All of the above.
69.
Which of the following is the best definition for estuary?
a)
Narrow band of coastline that exists between high and low tide.
b)
Areas along the coast where fresh water from rivers mixes with salt water from the ocean.
c)
Flowing fresh water containing rapids.
d)
Freshwater aquatic areas that are saturated by water for at least part of the year.
70.
Which biome is pictured below?
a)
ocean
b)
freshwater
c)
coral reef 
d)
wetland
71.
Which biome is pictured below?
a)
freshwater
b)
wetland
c)
coral reef
d)
ocean
72.
Which brackish watery biome has some areas that are salty, and some areas that are freshwater?
a)
freshwater
b)
coral reef
c)
estuary
d)
ocean
73.
Which watery biome has the highest concentration of salt?
a)
estuary
b)
wetland
c)
freshwater
d)
coral reef
74.
Which watery biome has the lowest concentration of salt?
a)
freshwater
b)
ocean
c)
coral reef
d)
wetland
75.
Which is NOT a freshwater ecosystem?
a)
a river
b)
a lake 
c)
an estuary
d)
a stream
76.
The intertidal zone of oceans
a)
surrounds continents
b)
is on the coastline
c)
has tides that rise and fall each day
d)
is the open ocean
77.
Fresh water referrers to which of the following
a)
oceans, rivers, lakes
b)
ponds, rivers, oceans
c)
lakes, ponds,  streams
d)
streams, lakes, oceans
78.
Which of these is NOT a freshwater biome?
a)
coral reef
b)
flowing water
c)
wetlands
d)
ponds and lakes
79.
Plankton that make food by photosynthesis are called what?
a)
krill
b)
zooplankton
c)
phytoplankton
d)
plankton
80.
Plankton that are more animal in nature are called what?
a)
krill
b)
zooplankton
c)
phytoplankton
d)
plankton
81.
An ecosystem where water covers the soil or water is near the surface of the soil is called
a)
a desert
b)
an ocean
c)
an estuary
d)
a wetland
82.
The intertidal zone of oceans
a)
surrounds continents
b)
is on the coastline
c)
has tides that rise and fall each day
d)
is the open ocean
83.

In the _______ zone, the process of photosynthesis cannot occur.

a)

Aphotic

b)

Photic

c)

Pelagic

d)

Wetlands

84.

The zone that receives the highest amount of sunlight is the:

a)

Twilight Zone

b)

Benthic Zone

c)

Aphotic Zone

d)

Photic Zone

85.
The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Inorganic nutrients
86.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
87.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
88.
What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?
a)
food web
b)
an ecosystem
c)
food chain
d)
a population
89.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
90.
What percentage of energy is used up by the organism at any level of the energy pyramid for everyday life processes?
a)
10%
b)
25%
c)
50%
d)
90%
91.
If 20,000 kcal is available to producers, how much is passed on to primary consumers?
a)
20 kcal
b)
200 kcal
c)
2,000 kcal
d)
20,222 kcal
92.
What do we call organisms that eat both plants and animals?
a)
carnivore
b)
herbivore
c)
omnivore
d)
autotrophs
93.
Which of the following would NOT be a producer?
a)
grass
b)
beetles
c)
trees
d)
shrubs
94.
Which level of a trophic pyramid would have the fewest number of organisms?
a)
primary consumers
b)
producers
c)
tertiary consumers
d)
secondary consumers
95.
Which of the following would most likely be a carnivore with no natural predators?
a)
producer
b)
primary consumer
c)
secondary consumer
d)
tertiary consumer
96.
grass->rabbit  -> fox
a)
food chain
b)
food web
c)
energy pyramid
97.
What is the place where an organism usually lives?
a)
The school
b)
My backyard
c)
Habitat
d)
Disneyland
98.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
99.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment