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WorksheetsEcology
Total questions: 70
Worksheet time: 38mins
Name
Class
Date
1.
Demography is the study of:
a)
world economic conditions
b)
mountains and other physical features on the landscape
c)
urban areas
d)
statistics related to the changing structure of human population
2.
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
3.
Step in the food chain, food web, or ecological pyramid
a)
trophic level
b)
abiotic factors
c)
community
d)
ecosystem
4.
A large area that has a specific type of climate and certain types of plant and animal communities
a)
ecosystem
b)
habitat
c)
niche
d)
biome
5.
Network of interconnected food chains in an ecosystem
a)
ecology
b)
food web
c)
decomposer
d)
food chain
6.
Organism that feeds on animal and plant remains that did not capture; scavenger
a)
carnivore
b)
detritivore
c)
consumer
d)
species
7.
Study of interactions between organisms and their environment
a)
niche
b)
community
c)
ecology
d)
ecosystem
8.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
9.
Where an organism lives
a)
habitat
b)
niche
c)
heterotrogh
d)
biosphere
10.
Two organisms that are so similar they can interbreed in nature and produce fertile offspring
a)
biotic factor
b)
herbivore
c)
ecosystem
d)
species
11.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain
d)
biome
12.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
13.
Part of the earth that living organisms inhabit
a)
biosphere
b)
biome
c)
niche
d)
ecosystem
14.
Living factors or organisms that affect an ecosystem
a)
abiotic factors
b)
species
c)
trophic level
d)
biotic factors
15.
Series of steps in which organisms transfer energy by eating and being eaten; simple; linear
a)
foodweb
b)
consumer
c)
food chain
d)
omnivore
16.
organisms that relies on other organisms for food; consumer
a)
herbivore
b)
decomposer
c)
heterotroph
d)
species
17.
Populations of different organisms living in a defined area
a)
species
b)
community
c)
niche
d)
biome
18.
The unique position that a species has in the physical use of its habitat and in its function (job) within an ecosystem (physical aspects, resources and biological aspects)
a)
producer
b)
biotic factors
c)
ecosystem
d)
niche
19.
Organism that makes its own food by using sunlight or chemicals; autotroph
a)
biome
b)
producer
c)
consumer
d)
herbivore
20.
All the organisms in a particular location, including their nonliving environment
a)
ecosystem
b)
carnivore
c)
niche
d)
population
21.
Organisms that makes its own food using sunlight or chemicals; producer
a)
decomposer
b)
autotroph
c)
heterotroph
d)
herbivore
22.
The variety of all living in the biosphere
a)
biome
b)
niche
c)
biodiversity
d)
species
23.
Consumer that eats animals or meat
a)
carnivore
b)
omnivore
c)
consumer
d)
producer
24.
Organisms that breaks down and absorbs nutrients from dead organisms
a)
consumer
b)
trophic level
c)
decomposer
d)
species
25.
relationship in which two species live closely together
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
26.
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
27.
symbiotic relationship in which one organism benefits and the other organism is harmed
a)
secondary succession
b)
predation
c)
pioneer species
d)
parasitism
28.
anything that an organism needs to live, ex. food, water, space
a)
carrying capacity
b)
resource
c)
succession
d)
denitrification
29.
largest number of individuals of a population that the environment can support for a long period of time
a)
carrying capacity
b)
primary succession
c)
denitrification
d)
mutualism
30.
the first 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
31.
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
32.
the process by which a new community replaces another community that has been partially ot totally destroyed
a)
exponential growth
b)
primary succession
c)
secondary succession
d)
succesion
33.
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
34.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
35.
growth in which the number of individuals in a population gets a lot bigger in each time period that follows
a)
primary succession
b)
exponential growth
c)
succession
d)
carrying capacity
36.
the process by which a new community forms where no community lived before
a)
resource
b)
invasive (non- native) species
c)
primary succession
d)
competition
37.
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
38.
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
39.
Which of the following words means birth rate?
a)
Natality
b)
Mortality
c)
Emigration
d)
Immigration
40.
Which of the following words means death rate?
a)
Natality
b)
Mortality
c)
Emigration
d)
Immigration
41.
What do you call a period of rapid growth?
a)
Exponential growth
b)
Logistic growth
c)
Emigration
d)
Mortality
42.
This is what happens as a population approaches carrying capacity and individual organisms from the population leave and go to a new area where they can find enough resources for survival and reproduction?
a)
Competition
b)
Predation
c)
Emigration
d)
Immigration
43.
What type of growth model is this?
a)
exponential growth model
b)
logistic growth model
c)
Type I curve
d)
Type III curve
44.
Compared to the lowest trophic level (primary producer), the highest trophic level contains
a)
more individuals
b)
less energy
c)
more producers
d)
fewer carnivores
45.
The largest level (most inclusive) of biological organization is the
a)
individual
b)
biosphere
c)
biome
d)
ecosystem
46.
Which of the following is NOT an example of dispersion?
a)
clumped
b)
even
c)
random
d)
scattered
47.
Which one of the following is NOT one of the factors that influences population growth?
a)
natality
b)
mortality
c)
life expectancy
d)
immigration
48.
A lake that has become nearly filled with sediment
a)
Oligotrophic
b)
Eutrophic
c)
Mesotrophic
d)
Dystrophic
49.
Which one of the following is an anti-predator defense mechanism?
a)
mimicry
b)
heat pits to detect prey
c)
echolocation
d)
spider webs that trap flying insects
50.
What is the lowest level of environmental complexity that includes living and nonliving factors (all the living things and their physical environment)?
a)
population
b)
community
c)
ecosystem
d)
biome
51.
What is typically the final step in a food web?
a)
apex predators
b)
carnivores
c)
tertiary consumers
d)
decomposers
52.
Which of the following is not part of the water cycle?
a)
precipitation
b)
evaporation
c)
transportation
d)
ground water
53.
Which of the following is not part of the carbon cycle?
a)
photosynthesis
b)
respiration
c)
evotranspiration
d)
decomposition
54.
Where do animals get most of the nitrogen that they need?
a)
by consuming plants and animals
b)
by breathing nitrogen gas
c)
directly from the bacteria in the soil
d)
from the process of denitrification
55.
What does nitrogen fixation?
a)
plants
b)
animals
c)
bacteria
d)
fungi
56.
What type of limiting factor is a disease caused by bacteria?
a)
biotic density dependent
b)
biotic density independent
c)
abiotic density dependent
d)
abiotic density independent
57.
What type of limiting factor is a forest fire?
a)
biotic density dependent
b)
biotic density independent
c)
abiotic density dependent
d)
abiotic density independent
58.
Something that controls the growth or size of a population is
a)
carrying capacity
b)
growth rate
c)
limiting factor
d)
growth factor
59.
treeless biome where temperatures are not above freezing for long; permafrost
a)
tundra
b)
taiga
c)
temperate deciduous forest
d)
grassland
60.
penguins or polar bears
a)
tundra
b)
taiga
c)
Northwest Coniferous Forest
d)
temperate deciduous forest
61.
Crystal Lake is in this biome
a)
taiga
b)
temperate grasslands
c)
temperate woodland
d)
temperate deciduous forest
62.
located in Seatle and Portland; lots of rain
a)
tundra
b)
taiga
c)
Northwest Coniferous Forest
d)
Temperate Deciduous Forest
63.
dense vegetation, very humid, wet weather, very biodiverse
a)
savanna
b)
tropical dry forest
c)
tropical rain forest
d)
desert
64.
Home to grazing animals such as buffalo and deer
a)
savanna
b)
temperate grasslands
c)
temperate deciduous forest
d)
temperate woodland
65.
pine forest with cold, long winters and short mild summers
a)
tundra
b)
taiga
c)
temperate deciduous forest
d)
temperate dry forest
66.
four distinct seasons; trees that lose their leaves in the fall
a)
tundra
b)
taiga
c)
temperate deciduous forest
d)
temperate woodlands
67.
Florida Everglades; alligators
a)
temperate grasslands
b)
marine
c)
mangrove swamp
d)
tropical dry forest
68.
zebras, crocodile, lions, water buffalo
a)
savanna
b)
temperate woodland
c)
tropical dry forest
d)
temperate deciduous forest
69.
coral reefs that are influenced by tides and currents
a)
marine
b)
mangrove swamp
c)
tropical rain forest
d)
tropical dry forest
70.
Which type of succession is slower?
a)
Primary succession
b)
Secondary succession
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