Podcast
Questions and Answers
The study of interactions between organisms and their environment is known as ______.
The study of interactions between organisms and their environment is known as ______.
ecology
Organisms are affected by biotic and abiotic factors. Which of the following is an example of an abiotic factor?
Organisms are affected by biotic and abiotic factors. Which of the following is an example of an abiotic factor?
- A community of fungi
- Soil composition (correct)
- The types of grasses in a field
- A population of deer
An organism's habitat includes only the biotic factors present in its surroundings.
An organism's habitat includes only the biotic factors present in its surroundings.
False (B)
Match the ecological level with its description:
Match the ecological level with its description:
What determines an organism's niche in an ecosystem?
What determines an organism's niche in an ecosystem?
Which of the following best describes the biosphere?
Which of the following best describes the biosphere?
A large region characterized by a specific climate and certain types of plant and animal communities is known as a ______.
A large region characterized by a specific climate and certain types of plant and animal communities is known as a ______.
Aquatic and terrestrial are the only two types of biomes.
Aquatic and terrestrial are the only two types of biomes.
Name two limiting factors that shape aquatic biomes.
Name two limiting factors that shape aquatic biomes.
Which terrestrial environment is characterized by coniferous trees and located just south of the tundra?
Which terrestrial environment is characterized by coniferous trees and located just south of the tundra?
Studying how and why populations change is the focus of ______ ecology.
Studying how and why populations change is the focus of ______ ecology.
Which of the following is NOT a density-dependent factor that limits population growth?
Which of the following is NOT a density-dependent factor that limits population growth?
When two or more species compete for the same limited resources, it is known as ______ competition.
When two or more species compete for the same limited resources, it is known as ______ competition.
The largest population size that an environment can sustain over time is called its ______ capacity.
The largest population size that an environment can sustain over time is called its ______ capacity.
Competition increases the carrying capacity of competing populations.
Competition increases the carrying capacity of competing populations.
A honey bee feeding off nectar inside a flower is an example of what kind of relationship?
A honey bee feeding off nectar inside a flower is an example of what kind of relationship?
Give an example of how prey use protective strategies for survival in a predator-prey relationship.
Give an example of how prey use protective strategies for survival in a predator-prey relationship.
Which of the following can be considered a pathogen?
Which of the following can be considered a pathogen?
An organism's ______ level indicates its position in a sequence of energy transfers within an ecosystem.
An organism's ______ level indicates its position in a sequence of energy transfers within an ecosystem.
Which of the following is a consumer that eats other consumers in an ecosystem?
Which of the following is a consumer that eats other consumers in an ecosystem?
Organisms can be affected by different factors which can be grouped into two major types. If one type of factor consist of living things, then what is the other type?
Organisms can be affected by different factors which can be grouped into two major types. If one type of factor consist of living things, then what is the other type?
Which of the following is an example of an abiotic factor?
Which of the following is an example of an abiotic factor?
An organism's __________ includes the biotic and abiotic factors present in its surroundings.
An organism's __________ includes the biotic and abiotic factors present in its surroundings.
Define the term 'biosphere' and briefly describe its significance.
Define the term 'biosphere' and briefly describe its significance.
A large region characterized by a specific climate and certain types of plant and animal communities would best describe a _________.
A large region characterized by a specific climate and certain types of plant and animal communities would best describe a _________.
Biomes can be classified into two major types, what are those?
Biomes can be classified into two major types, what are those?
Name two major types of aquatic environments.
Name two major types of aquatic environments.
Match the terrestrial environment to its description:
Match the terrestrial environment to its description:
The tundra is a terrestrial environment that is warm and filled with trees across North America, Europe, and Asia.
The tundra is a terrestrial environment that is warm and filled with trees across North America, Europe, and Asia.
Which terrestrial environment is just south of the tundra and north of the temperate regions and is dominated by coniferous trees?
Which terrestrial environment is just south of the tundra and north of the temperate regions and is dominated by coniferous trees?
Aquatic biomes are shaped by the availability of light, __________, and water currents.
Aquatic biomes are shaped by the availability of light, __________, and water currents.
Population ecology is focusing on understanding changes in populations __________.
Population ecology is focusing on understanding changes in populations __________.
Density-dependent factors that limit population growth include all the following except:
Density-dependent factors that limit population growth include all the following except:
__________ competition occurs when populations of two or more species compete for the same limited resource.
__________ competition occurs when populations of two or more species compete for the same limited resource.
The largest population that an environment can support at any given time is its __________ capacity.
The largest population that an environment can support at any given time is its __________ capacity.
How does competition impacts the carrying capacity of competing populations?
How does competition impacts the carrying capacity of competing populations?
A honey bee is feeding off the nectar inside a flower. What type of relationship is this an example of?
A honey bee is feeding off the nectar inside a flower. What type of relationship is this an example of?
Eating sushi with raw fish could mean a person becomes infected with a fish tapeworm. What type of relationship is this an example of?
Eating sushi with raw fish could mean a person becomes infected with a fish tapeworm. What type of relationship is this an example of?
Organisms are affected by different factors. If one factor is 'biotic', what is the other type of factor?
Organisms are affected by different factors. If one factor is 'biotic', what is the other type of factor?
Which of the following is NOT an example of a biotic factor in an ecosystem?
Which of the following is NOT an example of a biotic factor in an ecosystem?
Match the level studied to the correct description:
Match the level studied to the correct description:
What is the broadest, most inclusive level of organization on Earth?
What is the broadest, most inclusive level of organization on Earth?
A large region characterized by a specific climate and certain plant and animal communities is best described as a ______.
A large region characterized by a specific climate and certain plant and animal communities is best described as a ______.
Besides aquatic, what is the other major type of biome?
Besides aquatic, what is the other major type of biome?
Which two environments are found in aquatic biomes?
Which two environments are found in aquatic biomes?
Name three different terrestrial environments.
Name three different terrestrial environments.
Which terrestrial environment is characterized by being cold, largely treeless, and forms a continuous belt across North America, Europe, and Asia?
Which terrestrial environment is characterized by being cold, largely treeless, and forms a continuous belt across North America, Europe, and Asia?
Aquatic biomes are shaped by the availability of light, nutrients, and ______.
Aquatic biomes are shaped by the availability of light, nutrients, and ______.
Population ecology studies how and why populations ______.
Population ecology studies how and why populations ______.
Which is NOT an example of a density-dependent factor that can limit population growth?
Which is NOT an example of a density-dependent factor that can limit population growth?
Interspecific competition occurs when two or more species compete for the same ______ resource.
Interspecific competition occurs when two or more species compete for the same ______ resource.
The largest population that an environment can sustain for an extended period is called its ______ capacity.
The largest population that an environment can sustain for an extended period is called its ______ capacity.
In the predator-prey relationship, which survival defense method includes the use of thorns?
In the predator-prey relationship, which survival defense method includes the use of thorns?
A pathogen is any disease-causing microscopic parasite. Which of the following can be a pathogen?
A pathogen is any disease-causing microscopic parasite. Which of the following can be a pathogen?
An organism's ______ level indicates its position in a sequence of energy transfers.
An organism's ______ level indicates its position in a sequence of energy transfers.
Organisms can be affected by different factors. One factor is biotic, what is the other type?
Organisms can be affected by different factors. One factor is biotic, what is the other type?
Which of the following is NOT a biotic factor?
Which of the following is NOT a biotic factor?
An organism's ______ includes the biotic and abiotic factors present in the surroundings.
An organism's ______ includes the biotic and abiotic factors present in the surroundings.
Match the ecological level with its correct description:
Match the ecological level with its correct description:
The biosphere is the broadest, most inclusive level of organization on Earth. Approximately how thick is the biosphere in miles?
The biosphere is the broadest, most inclusive level of organization on Earth. Approximately how thick is the biosphere in miles?
Biomes can be aquatic. What is the other major biome type?
Biomes can be aquatic. What is the other major biome type?
Name the two primary environments found in aquatic biomes.
Name the two primary environments found in aquatic biomes.
Match the following terrestrial environment with its description
Match the following terrestrial environment with its description
Aquatic biomes are shaped by the availability of light, water currents, and ______.
Aquatic biomes are shaped by the availability of light, water currents, and ______.
Population ecology is the study of how and why populations ______.
Population ecology is the study of how and why populations ______.
Density-dependent factors include all of the following EXCEPT:
Density-dependent factors include all of the following EXCEPT:
Interspecific competition occurs when populations of two or more species compete for the same ______ resource.
Interspecific competition occurs when populations of two or more species compete for the same ______ resource.
The largest population that an environment can support at any given time is ______.
The largest population that an environment can support at any given time is ______.
Competition increases the carrying capacity of competing populations because the resources used by one population are available to the other population.
Competition increases the carrying capacity of competing populations because the resources used by one population are available to the other population.
Eating sushi with raw fish could mean a person becomes infected with a fish tapeworm. What is this relationship called?
Eating sushi with raw fish could mean a person becomes infected with a fish tapeworm. What is this relationship called?
In the predator-prey relationship, some prey use protective strategies for survival. Survival defense method includes the use of thorns: ______.
In the predator-prey relationship, some prey use protective strategies for survival. Survival defense method includes the use of thorns: ______.
An organism's ______ level indicates the organism's position in a sequence of energy transfers.
An organism's ______ level indicates the organism's position in a sequence of energy transfers.
Flashcards
Ecology
Ecology
The study of the interactions of organisms with their environment.
Biotic Factor
Biotic Factor
A factor in an ecosystem that is living or derived from living organisms.
Abiotic Factor
Abiotic Factor
A non-living factor in an ecosystem.
Trophic Structure
Trophic Structure
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Habitat
Habitat
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Niche
Niche
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Biosphere
Biosphere
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Ecosystem
Ecosystem
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Population
Population
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Population Density
Population Density
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Density-Dependent Factors
Density-Dependent Factors
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Carrying Capacity
Carrying Capacity
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Pathogen
Pathogen
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Predation
Predation
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Symbiosis
Symbiosis
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Mutualism
Mutualism
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Herbivory
Herbivory
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Energy Flow
Energy Flow
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Energy Pyramid
Energy Pyramid
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Abiotic Reservoir
Abiotic Reservoir
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Aquatic Biomes
Aquatic Biomes
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Terrestrial Biomes
Terrestrial Biomes
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Tundra
Tundra
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Taiga
Taiga
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Population Ecology
Population Ecology
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Limited resources
Limited resources
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Competition Effects
Competition Effects
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Parasitism
Parasitism
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Mechanical Defense
Mechanical Defense
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Trophic Level
Trophic Level
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Carnivores
Carnivores
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Carbon Cycle
Carbon Cycle
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Phosphorus Cycle
Phosphorus Cycle
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Nitrogen Cycle
Nitrogen Cycle
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Marine Environments
Marine Environments
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Freshwater Environments
Freshwater Environments
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Commensalism
Commensalism
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Detritivore
Detritivore
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Primary Production
Primary Production
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Net Production
Net Production
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Food chain
Food chain
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Food web
Food web
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Prey Adaptations
Prey Adaptations
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Water cycle
Water cycle
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Population Growth Models
Population Growth Models
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Study Notes
Ecology Vocabulary
- Ecology involves the study of biotic (living) and abiotic (non-living) factors, and trophic structure.
- Habitat is the specific environment where an organism lives.
- Niche refers to the role and position a species has in its environment
- Levels of organization include biosphere, ecosystem, community, population, and organism.
- Aquatic biomes include marine and freshwater environments (standing and flowing).
- Terrestrial biomes include tropical forests, savanna, desert, chaparral, and temperate grasslands like North American prairie
- Additional terrestrial biomes are temperate forests, taiga, and tundra.
Population Ecology
- Population ecology focuses on population density and regulation through density-dependent and density-independent factors.
- Population ecology uses exponential and logistic models and graphs
- Carrying capacity is the maximum population size an environment can sustain.
Species Interactions
- Species interact through pathogens, predation, and predator-prey relationships.
- Predator-prey adaptations include camouflage, mechanical defense, and chemical defense.
- Symbiotic relationships include mutualism and herbivory.
Trophic Structure
- Trophic structure includes producers, primary/secondary/tertiary consumers, detritivores, scavengers and decomposers
Ecosystem Structure and Dynamics
- Energy flow involves primary/gross/net production, food chains and food webs
- Energy flow can be represented by an energy pyramid.
- Ecosystem recycling includes the water, carbon, phosphorus, and nitrogen cycles.
Ecology Questions and Answers
- A change in a habitat affects the entire ecosystem.
- Organisms with a broad ecological niche are more likely to survive changes in an ecosystem.
- Destruction of vegetation by plant disease impacts animal life negatively.
- It's cheaper to produce grain than meat due to energy transfer efficiency.
- Decomposers are necessary for the continuation of life on Earth, as they recycle nutrients.
- The study of interactions between organisms and their environment is ecology.
- The other major type of factor besides biotic is abiotic
- Soil is not a biotic factor.
- An organism's habitat includes biotic and abiotic factors in its surroundings.
- A single organism corresponds to the organism level.
- A group of individuals of the same species corresponds to the population level
- All organisms in a particular area corresponds to the community level
- All organisms and abiotic factors corresponds to the ecosystem level
- The biosphere is about 13 miles thick.
- A large region with a specific climate and plant/animal communities describes a biome.
- The other major biome type besides aquatic, is terrestrial.
- Two environments found in aquatic biomes are marine and freshwater.
- The terrestrial environments are tundra, tropical rain forests, taiga, temperate forests, grasslands, savanna, chaparral, and desert
- Tundra is a cold, largely treeless environment across North America, Europe, and Asia.
- Taiga is south of the tundra, north of temperate regions, and dominated by coniferous trees.
- Aquatic biomes are shaped by the availability of light, water currents, and nutrients.
- Population ecology studies how and why populations change.
- Fire and storms are not density-dependent factors that limit population growth.
- Interspecific competition occurs when species compete for the same limited resource.
- Carrying capacity is the largest population an environment can support.
- Competition lowers the carrying capacity of competing populations.
- A honey bee feeding off nectar displays mutualism.
- Eating sushi with raw fish and getting a tapeworm displays parasitism.
- Thorns are a mechanical defense used by prey in predator-prey relationships.
- Bacteria, viruses, and fungi can be pathogens.
- An organism's trophic level indicates its position in the sequence of energy transfers.
- Carnivores are the consumers that eat other consumers in the ecosystem.
- Carbon is recycled, is a major ingredient in all organic molecules, and can be returned to the atmosphere as carbon dioxide.
- Phosphorus depends on the weathering of rocks and makes up nucleic acids, phospholipids, and ATP
- Nitrogen is crucial in protein structure and function, a limiting plant nutrient, and makes up about 80% of Earth’s atmosphere.
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