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Ecology

Total questions: 55

Worksheet time: 34mins

Name
Class
Date
1.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
2.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
3.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
4.
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
5.
Autotrophs make up the _______ level in all ecosystems.
a)
First
b)
Second
c)
Third
d)
Fourth
6.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
7.
A living relationship between two species in which one organism is harmed is called...
a)
mutualism
b)
commensalism
c)
parasitism
d)
niche
8.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
9.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
10.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
11.
Water temperature would be an example of ...
a)
A biotic factor
b)
An abiotic factor
12.
The amount of energy that usually transfers from one trophic level to the next...
a)
10%
b)
20%
c)
80%
d)
50%
13.
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
14.
An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
Succession Map
15.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
16.
A place where an organism lives.
a)
Terrain
b)
Habitat
c)
Community
d)
Population
17.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
18.
Organisms that can capture energy from inorganic, nonliving sources.
a)
Producers
b)
Consumers
c)
Detritivores
d)
Carnivores
19.
Organisms that feed on both living producers and other consumers.
a)
Carnivores
b)
Omnivores
c)
Herbivores
d)
Detritivores
20.
An organism at the second trophic level would be considered a...
a)
Top carnivore
b)
Producer
c)
Herbivore
d)
Carnivore
21.
A graphic illustration that shows each trophic level and the amount of useable energy contained within.
a)
Food chain
b)
Food web
c)
Energy Pyramid
d)
All of these
22.
Anything that can decrease the size of a population including living (biotic) and non living (abiotic) features of an ecosystem such as predators and drought.
a)
limiting factor
b)
habitat
c)
ecosystem
d)
carrying capacity
23.
The role or function or job of a species in a community.
a)
habitat
b)
diet
c)
niche
d)
ecosystem
24.
grass->rabbit  -> fox
a)
food chain
b)
food web
c)
energy pyramid
25.
As you move upward, from level to level, in an energy pyramid, energy _____.
a)
increases
b)
decreases
c)
stays the same
d)
increases exponentially
26.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
27.
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
28.
What type of growth model is this?
a)
exponential growth model
b)
logistic growth model
c)
Type I curve
d)
Type III curve
29.
What is the approximate population of men age 65-69 in the US in 2014? (see pyramid)
a)
7.5 million
b)
10.5 million
c)
5 million
d)
12 million
30.
Diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat
a)
succession 
b)
cellular respiration
c)
energy pyramid
d)
biochemical cycle
31.
Anything that an organism needs to live, ex. food, water, space
a)
carrying capacity
b)
resource
c)
succession
d)
denitrification 
32.
Largest number of individuals of a population that the environment can support  
a)
carrying capacity
b)
primary succession 
c)
denitrification
d)
mutualism
33.
A species that takes over to live in an area where no other living thing lives and that starts a cycle in which many other species make that area the place where they live.
a)
pioneer species 
b)
succession 
c)
nitrogen fixation
d)
cellular respiration 
34.
The process by which a new community replaces another community that has been partially or totally destroyed 
a)
exponential growth
b)
primary succession
c)
secondary succession 
d)
succesion 
35.
The replacement of one type of community by another at a single place over a period of time.
a)
succession
b)
symbiosis
c)
secondary succession
d)
mutualism
36.
Plants and animals that have migrated to areas where they did not originate; often displace native species by out-competing them for resources.
a)
acid rain 
b)
biochemical magnification
c)
invasive (non-native) species
d)
nitrogen fixation 
37.
Step in the food chain, food web, or ecological pyramid
a)
trophic Level
b)
abiotic factors
c)
community 
d)
ecosystem
38.
Organism that feeds on animal and plant remains that did not capture; scavenger
a)
carnivore
b)
detritivore
c)
consumer
d)
species
39.
Two organisms that are so similar they can interbreed in nature and produce fertile offspring
a)
biotic factor
b)
herbivore
c)
ecosystem
d)
species
40.
Part of the earth that living organisms inhabit
a)
biosphere
b)
biome
c)
niche
d)
ecosystem
41.
Living factors or organisms that affect an ecosystem
a)
abiotic factors
b)
species
c)
trophic level
d)
biotic factors
42.
Organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
43.
Organisms that breaks down and absorbs nutrients from dead organisms 
a)
consumer
b)
trophic level
c)
decomposer
d)
species
44.
The scientific study of how organisms interact with their environment and all the other organisms that live in that environment.
a)
ecology
b)
ecosystem
c)
biotic factor
d)
organism
45.
A food chain describes the feeding relationship between a producer and a single chain of consumers in an ecosystem.
a)
TRUE
b)
FALSE
46.
A_______is a model that shows the amount of energy available at each feeding level in an ecosystem.
a)
energy flow
b)
food chain
c)
food web
d)
energy pyramid 
47.
Which 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
48.
Which biome is very humid, has high precipitation, and diverse life living within its varying levels of tree canopies.
a)
Rainforest
b)
Desert
c)
Polar Reigons
d)
Swamps
49.
Which biome is dry, has extremely hot temperatures with very little vegetation.
a)
Rivers and Streams
b)
Desert
c)
Rainforest
d)
Polar Reigons
50.
All individuals of the same species in a certain area are termed a(n)
a)
species
b)
population
c)
community
d)
ecosystem
51.
All the populations that live together in an area make up a (n):
a)
species
b)
population
c)
community
d)
ecosystem
52.
Which of the following is a grassland area in Central Africa with only a few trees, grasses, high temperatures and low precipitation?
a)
Temperate Grassland
b)
Temperate Forest
c)
Taiga
d)
Savanna
53.
Which biome is located in Alaska and Canada, has lower precipitation, lower temperatures, and has pine trees?
a)
Temperate Grassland
b)
Temperate Forest
c)
Taiga
d)
Savanna
54.
Which biome is located in the Eastern US, has moderate precipitation, moderate temperatures and deciduous trees?
a)
Temperate Grassland
b)
Temperate Forest
c)
Taiga
d)
Savanna
55.
Which biome is located in the Central US, has moderate temperatures, moderate precipitation and used to be forest but now is grass or farmland? 
a)
Temperate Grassland
b)
Temperate Forest
c)
Taiga
d)
Savanna