Unit 4 Practice Exam
Ecological Knowledge Challenge
Test your understanding of ecological concepts and biological organization with this comprehensive quiz. Explore topics such as carrying capacity, succession, and the characteristics of different biomes.
Prepare to enhance your knowledge with questions covering:
- Limiting factors in populations
- Succession in ecosystems
- Classification of aquatic ecosystems
Which of the following is a limiting factor in a population of organisms?
Reproductive replacement
Life spans of the members
Availability of food
Age of the members
Angel was trying to explain carrying capacity to her mother. Which of the following descriptions is accurate? Carrying capacity is:
The maximum number of individuals that an ecosysem can support
The ability ofan environment to accommodate a growing population
The number of predators that an area can sustain over the long term
The maximum number of species that can co-exist in a given area
Which letter represents the carrying capacity?
A
B
C
When an environment has reached its carrying capacity for a certain population, which of the following is true?
Growth and immigration rate is equal to death and emigration rate
Growth and immigration rate is greater than death and emigration rate
Growth and immigration rate is less than death and emigration rate
Growth rate is exponential
The diagrams show some of the levels of biological organization. In what order are the levels in the diagram?
Organism -> community -> population
Organism -> population -> community
Ecosystem -> population -> community
Population -> community -> ecosystem
Which feature might be used to distinguish secondary succession from primary succession?
The lack of pioneer species in the second stage
The presence of pioneer species in the final stage
The presence of trees and large plants in the final stage
The presence of soil and organic matter in the first stage
A deciduous forest experiences a forest fire. As the ecosystem rebuilds, what organisms would you expect to recolonize the forest first?
Grasses and herbs
Lichens and mosses
Oak trees and pine trees
Birds and reptiles
The new island of Surtsey was formed near Iceland by a series of volcanic eruptions. Based on succession, which of these processes likely occurred first on Surtsey?
Animals moved onto the island.
Plants grew on the island
Volcanic rock broke down into soil.
A complex ecosystem developed.
What are the two abiotic factors used to define the major biomes?
Plant and animal life
Temperature and living organisms
Climate and precipitation
In which biome would you most likely find permafrost?
Tundra
Temperate forest
Tundra
Tropical rainforest
Ecologist classify aquatic ecosystems according to different types of cirteria. What are the two different types of water used to classify aquatic ecosystems?
Deep and moving
Hot and cold
Flowing and standing
Shallow and dark
In the aquatic food web, which two organisms have a predator-prey relationship?
Shad and sturgeons
Sturgeons and blue crabs
Blue crabs and rangia clams
Copepods and amphipods
In the aquatic food web , which two organisms have a competition relationship?
Blue crabs and sturgeons
Blue crabs and rangia clams
Amphipods and sturgeons
Striped bass and sturgeons
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