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WorksheetsEcology Review
Total questions: 20
Worksheet time: 20mins
A group of gray wolves living in Minnesota is an example of
Community
Biome
Population
Ecosystem
Which of the following can be both primary and secondary consumers?
Herbivores
Carnivores
Omnivores
Detritivores
Which phrase best describes biodiversity?
The number of individuals in a population
The amount of biomass in a community
The amount of available energy in a food web
The number of organisms in an ecosystem
What do all the biotic and abiotic factors in a given area make up?
Habitat
Community
Ecosystem
Population
Select the biome, that is best described by the statement shown:
A low amount of solar energy causes the subsoil to be permanently frozen (permafrost).
Taiga
Deciduous Forest
Tropical Rain Forest
Tundra
Desert
The graph here shows the population growth curves of Paramecium aurelia and Paramecium caudatum cultures after they were mixed together. One influence that could correctly be drawn from the graph is that Paramecium aurelia and paramecium caudatum cannot successfully
Utilize oxygen for anaerobic respiration
Utilize the same wavelengths of light
Live in marine environments
Occupy the same niche
The graph here show the population growth curves in Paramecium aurealia and Paramecium caudatum cultures after they were mixed together. This graph can be used to illustrate the principle of
Mutualism
Competition
Assimilation
Saprophytism
Which is an example of a biotic factor that would limit the size of a deer herd?
Populations of predators
Severe summer drought
Lack of oxygen at high altitudes
Heavy winter snowfalls
What type of population growth is shown in the graph?
Logistic Growth
Expontential Growth
Carrying Capacity Growth
Density Dependent Growth
In the graph below, what is the carrying capacity of the yeast population?
7.5 mg/cc
6.0 mg/cc
14 hours
20 hours
In a food web, which organisms contain the greatest amount of stored energy?
Snake and hawks
Rodents and insects
Grass and shrubs
Insects and hawks
The diagram shown represents a food web. The numerals I, II, III, and IV represent four nutritional levels (NOT TROPHIC LEVELS) within the community in which different species compete.
Which Organisms are producers?
Sharks
Small Crustaceans
Algae
Bottom-Dwelling Scavengers
In the following food web, which organism is omnivorous?
Racoons
Toads
Snakes
Grasshoppers
Primary consumers are found at level
A
B
C
D
In the food web shown, which components of the food web are indicated by letters A, B, and C?
A- primary consumers; B- producers; C-secondary consumers
A-producers; B-secondary consumers; C-decomposers
A-producers; B-primary consumers; C-secondary consumers
A-primary consumers; B-secondary consumers; C-producders
Leeches often attach to the tongue of a crocodile and consume the crocodile’s blood as food. The Egyptian plover is a bird that flies into the mouth of the crocodile and eats the leeches. The crocodiles do not harm the plovers.
The relationship between the plover and the crocodile is
Commensalism
Mutualism
Parasitism
Saprophytism
Leeches often attach to the tongue of a crocodile and consume the crocodile’s blood as food. The Egyptian plover is a bird that flies into the mouth of the crocodile and eats the leeches. The crocodiles do not harm the plovers.
The relationship between the crocodile and the leech is
Commensalism
Mutualism
Parasitism
Saprophytism
Which organisms break down chemical substances in the environment, making these substances available for use by other organisms?
Producers
Decomposers
Herbivores
Carnivores
The diagram shown represents simple food web. Which food pyramid correctly represents the relationships shown in the food web?
Some small fish attach themselves to the body of a shark without harming it and feed upon its left-over food. This relationship between the shark and the fish is an example of
Commensalism
Mutualism
Competition
Parasitism
