WorksheetsUnit 2 Ecology
Total questions: 33
Worksheet time: 17mins
Name
Class
Date
1.
The non-living components of an ecosystem
a)
Biodiversity
b)
Adaptation
c)
Abiotic
d)
Biotic
2.
The structure or behavior that helps an organism survive in its surroundings
a)
Abiotic
b)
Adaptation
c)
Consumer
d)
Ecology
3.
A variety of different species in an area
a)
Biodiversity
b)
Adaptation
c)
Ecology
d)
Food Web
4.
The living components of an ecosystem
a)
Abiotic
b)
Community
c)
Biotic
d)
Producer
5.
All of the populations sharing a specific area or region
a)
Community
b)
Ecosystem
c)
Food Web
d)
Biodiversity
6.
An organism, usually an animal, that feeds on plants or other animals.
a)
Producer
b)
Consumer
c)
Host
d)
Prey
7.
Continuous colonization, extinction, and replacement of species' populations at a particular site, due to environmental changes.
a)
Ecological Succession
b)
Ecology
c)
Commensalism
d)
Competition
8.
Study of interactions of organisms with each other and their environment
a)
Community
b)
Ecology
c)
Energy Pyramid
d)
Primary Succession
9.
Ecological hierarchy of food relationships in which a chief predator is at the top; each level receives energy from the next lower level
a)
Energy Pyramid
b)
Food Chain
c)
Food Web
d)
Competition
10.
Arrangement of the organisms of an ecological community according in which each uses the next usually lower member as a food source
a)
Energy Pyramid
b)
Food Chain
c)
Food Web
d)
Competition
11.
Arrangement of several overlapping food chains
a)
Energy Pyramid
b)
Food Chain
c)
Food Web
d)
Competition
12.
The theory, founded by Charles Darwin, whereby organisms better adapted to their environment tend to survive and produce more offspring.
a)
Natural Selection
b)
Adaptation
c)
Biodiversity
d)
Competition
13.
All members of a species living in a particular area at a particular time
a)
Population
b)
Community
c)
Ecosystem
d)
Biotic
14.
The development of biotic factors in previously uninhabited areas with little to no top soil
a)
Primary Succession
b)
Secondary Succession
c)
Biodiversity
d)
Ecosystem
15.
An organism that makes its own food.
a)
Producer
b)
Consumer
c)
Herbivore
d)
Omnivore
16.
Occurs in an area where soil exists and growth of plants has been interrupted but not completely wiped out
a)
Primary Succession
b)
Secondary Succession
c)
Biodiversity
d)
Ecosystem
17.
Human-made underwater structures, typically built for the purpose of promoting/preserving marine life
a)
Artificial Reef
b)
Secondary Sucecssion
c)
Biodiversity
d)
Commensalism
18.
Relationship between species in which one species is helped and the other is unaffected
a)
Parasitism
b)
Commensalism
c)
Mutualism
d)
Competition
19.
Organisms trying to get their share of the limited resources available.
a)
Competition
b)
Commensalism
c)
Mutualism
d)
Symbiosis
20.
Simple organism, such as bacteria or fungus, that breaks down dead organisms and waste, returning important nutrients to the environment
a)
Decomposer
b)
Producer
c)
Autotroph
d)
Parasite
21.
The state of relying on something for survival
a)
Dependence
b)
Food Web
c)
Commensalism
d)
Symbiosis
22.
All the living and nonliving components that interact with each other in various environments.
a)
Comminity
b)
Biodiversity
c)
Ecosystem
d)
Resources
23.
A living organism from which a parasite obtains nutrients
a)
Host
b)
Predator
c)
Omnivore
d)
Producer
24.
Being mutually reliant on another
a)
Interdependence
b)
Commensalism
c)
Predator
d)
Community
25.
Relationship between two species in which both species benefit
a)
Mutualism
b)
Parasitism
c)
Commensalism
d)
Predator
26.
An organism that lives on or in another organism to receive nutrients from the organism to benefit itself
a)
Parasite
b)
Mutualism
c)
Host
d)
Predator
27.
Relationship between species in which one species benefits and the other is harmed but not usually killed
a)
Parasitism
b)
Mutualism
c)
Commensalism
d)
None of These
28.
Animal that kills and eats other animals (prey)
a)
Predator
b)
Parasite
c)
Producer
d)
All of These
29.
An organism that is killed and eaten by another organism
a)
Prey
b)
Predator
c)
Parasite
d)
All of These
30.
Useful materials we get from the Earth that enhance the quality of human life.
a)
Resources
b)
Oil
c)
Crops
d)
Hydroelectric Power
31.
Water that flows over the ground surface or through the ground directly carrying pollutants from the ground into streams, rivers, lakes and eventually the ocean.
a)
Runoff
b)
Resources
c)
Pollution
d)
None of These
32.
The makeup of soil such as sediment, minerals and decaying organic material
a)
Soil Composition
b)
Resources
c)
Runoff
d)
All of These
33.
A close relationship between two species
a)
Symbiosis
b)
Mutualism
c)
Commensalism
d)
Parasitism
100 %
