Gr 8 Natural Sciences Ch 1.2: What is ecology?

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What is the definition of ecology?

The study of the relationships between non-living elements

The scientific study of how living organisms interact with each other and their environment (correct)

The study of the physical environment only

The study of the interactions between humans and their environment

What is a community in ecology?

The global ecological system integrating all living beings and their relationships

A group of individuals of the same species that live in a specific area

A biological community of interacting organisms and their physical environment

All the populations of different species that live in a particular area (correct)

What is the term for the global ecological system integrating all living beings and their relationships?

Community

Ecosystem

Biosphere (correct)

Population

What is the term for a scientist who studies the relationships between organisms and their environments?

Ecologist Signup and view all the answers

What is the term for a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding?

Species Signup and view all the answers

What is population ecology?

The study of populations in relation to their environment, including environmental influences on population density and distribution, age structure, and variations in population size Signup and view all the answers

What is the term for a biological community of interacting organisms and their physical environment?

Ecosystem Signup and view all the answers

At which level of ecological organization is a group of individuals of the same species that live in a specific area at a specific time and can interbreed found?

Population Signup and view all the answers

What is the smallest collective unit of living organisms studied in ecology?

Population Signup and view all the answers

What is the term for the study of interactions between different populations in a specific area?

Community ecology Signup and view all the answers

What is the largest collective unit of living organisms and their environment?

Biosphere Signup and view all the answers

What type of factors make up the non-living environment in an ecosystem?

Abiotic factors Signup and view all the answers

Why might the hippo population in the St. Lucia estuary decrease?

Lack of water Signup and view all the answers

What is the term for the study of how energy flows and nutrients cycle between living and non-living components?

Ecosystem ecology Signup and view all the answers

What is the reason why the zebra in Kruger National Park and those in Hluhluwe-Umfolozi game reserve are different populations?

They live in different areas Signup and view all the answers

What is the term for the global sum of all ecosystems?

Biosphere Signup and view all the answers

What is the main focus of an ecologist's study?

The interactions between organisms and their environment Signup and view all the answers

Which of the following is an example of a population?

A group of individuals of the same species living in the same area at the same time Signup and view all the answers

What is the term for the study of how living organisms interact with each other and their environment?

Ecology Signup and view all the answers

What is the level of ecological organization that includes a group of different species living in the same area?

Community Signup and view all the answers

What is the term for the non-living components of an ecosystem?

All of the above Signup and view all the answers

Which of the following is an example of an ecosystem?

A biological community of interacting organisms and their physical environment Signup and view all the answers

What is the term for the interactions between organisms and their environment?

Interact Signup and view all the answers

What is the main difference between a population and a community?

A population is a group of organisms of the same species, while a community is a group of different species Signup and view all the answers

What is the primary focus of community ecology?

The study of feeding relationships between different species Signup and view all the answers

What is the main difference between an ecosystem and a community?

The presence of abiotic factors in an ecosystem Signup and view all the answers

What is an example of a factor that can influence the size of a population?

Migration Signup and view all the answers

Why might the impalas in a game reserve be considered a population?

Because they are all of the same species Signup and view all the answers

What is the term for the study of large-scale ecological and environmental processes?

Biosphere ecology Signup and view all the answers

Why might the rapid growth of the zebra population in Kruger National Park be attributed to?

Increased food availability Signup and view all the answers

What is the main difference between a population of zebras in Kruger National Park and a population of zebras in Hluhluwe-Umfolozi game reserve?

The location of the zebras Signup and view all the answers

What would happen to the hippo population in the St. Lucia estuary if the river dried up?

The population would decrease Signup and view all the answers

What is the primary focus of population ecology?

To understand how environmental factors influence population density and distribution Signup and view all the answers

Which level of ecological organization includes a group of different species living in the same area?

Community Signup and view all the answers

What is the main difference between a population of impalas in a game reserve and a population of impalas in another game reserve?

They are reproductively isolated from each other Signup and view all the answers

What is the term for the study of how living organisms interact with each other and their environment?

Ecology Signup and view all the answers

Which of the following would NOT be considered a factor influencing population growth?

Geographical location Signup and view all the answers

What is the term for the non-living components of an ecosystem?

Abiotic factors Signup and view all the answers

At which level of ecological organization would you study the interactions between different populations in a specific area?

Community ecology Signup and view all the answers

What is the term for the study of large-scale ecological and environmental processes?

Landscape ecology Signup and view all the answers

What is the primary focus of ecosystem ecology?

Examining the flow of energy and nutrients between living and non-living components Signup and view all the answers

Why might the population of impalas in a game reserve decrease?

All of the above could be possible reasons Signup and view all the answers

What is the main difference between a population and a community?

A population is a group of similar individuals, while a community is a group of different species Signup and view all the answers

What is the level of ecological organization that includes all living beings and their interactions with the environment?

Biosphere Signup and view all the answers

What is the primary focus of biosphere ecology?

Investigating large-scale ecological and environmental processes Signup and view all the answers

What is the main difference between the zebra population in Kruger National Park and the zebra population in Hluhluwe-Umfolozi game reserve?

They are separated by geography Signup and view all the answers

What is the primary focus of community ecology?

Studying the interactions between different populations in a specific area Signup and view all the answers

What is the main difference between a community and an ecosystem?

A community is a group of different species, while an ecosystem includes non-living components Signup and view all the answers

What is the primary focus of an ecologist's study?

The relationships between organisms and their physical surroundings. Signup and view all the answers

What level of ecological organization includes multiple populations of different species?

Community Signup and view all the answers

What is the main difference between a population and a community?

A community includes multiple species, while a population consists of a single species. Signup and view all the answers

What is the term for the study of how energy flows and nutrients cycle between living and non-living components?

Ecosystem ecology Signup and view all the answers

What is the main difference between two populations of the same species living in different areas?

They have different physical surroundings. Signup and view all the answers

What level of ecological organization is the largest collective unit of living organisms and their environment?

Biosphere Signup and view all the answers

What is the term for the non-living components of an ecosystem?

Abiotic factors Signup and view all the answers

What is the primary focus of ecosystem ecology?

The study of how energy flows and nutrients cycle between living and non-living components. Signup and view all the answers

What is the primary focus of studying a community in ecology?

To study the feeding relationships between different populations Signup and view all the answers

What would be the most likely cause of a decrease in the hippo population in the St. Lucia estuary?

Lack of water Signup and view all the answers

What is the primary difference between a population and a community?

A population is a group of similar individuals, while a community is a group of different species Signup and view all the answers

What is the level of ecological organization that includes all living beings and their interactions with the environment?

Biosphere Signup and view all the answers

What is the primary focus of ecosystem ecology?

To analyze the energy flow and nutrient cycle within a system Signup and view all the answers

Why might the zebra population in Kruger National Park be different from the zebra population in Hluhluwe-Umfolozi game reserve?

Because they live in different areas Signup and view all the answers

What is an example of a factor that can influence the size of a population?

All of the above Signup and view all the answers

What is the primary focus of biosphere ecology?

To examine the biogeochemical cycles and climate change Signup and view all the answers

Gr 8 Natural Sciences Ch 1.2: What is ecology?

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Questions and Answers

What is the definition of ecology?

What is a community in ecology?

What is the term for the global ecological system integrating all living beings and their relationships?

What is the term for a scientist who studies the relationships between organisms and their environments?

What is the term for a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding?

What is population ecology?

What is the term for a biological community of interacting organisms and their physical environment?

At which level of ecological organization is a group of individuals of the same species that live in a specific area at a specific time and can interbreed found?

What is the smallest collective unit of living organisms studied in ecology?

What is the term for the study of interactions between different populations in a specific area?

What is the largest collective unit of living organisms and their environment?

What type of factors make up the non-living environment in an ecosystem?

Why might the hippo population in the St. Lucia estuary decrease?

What is the term for the study of how energy flows and nutrients cycle between living and non-living components?

What is the reason why the zebra in Kruger National Park and those in Hluhluwe-Umfolozi game reserve are different populations?

What is the term for the global sum of all ecosystems?

What is the main focus of an ecologist's study?

Which of the following is an example of a population?

What is the term for the study of how living organisms interact with each other and their environment?

What is the level of ecological organization that includes a group of different species living in the same area?

What is the term for the non-living components of an ecosystem?

Which of the following is an example of an ecosystem?

What is the term for the interactions between organisms and their environment?

What is the main difference between a population and a community?

What is the primary focus of community ecology?

What is the main difference between an ecosystem and a community?

What is an example of a factor that can influence the size of a population?

Why might the impalas in a game reserve be considered a population?

What is the term for the study of large-scale ecological and environmental processes?

Why might the rapid growth of the zebra population in Kruger National Park be attributed to?

What is the main difference between a population of zebras in Kruger National Park and a population of zebras in Hluhluwe-Umfolozi game reserve?

What would happen to the hippo population in the St. Lucia estuary if the river dried up?

What is the primary focus of population ecology?

Which level of ecological organization includes a group of different species living in the same area?

What is the main difference between a population of impalas in a game reserve and a population of impalas in another game reserve?

What is the term for the study of how living organisms interact with each other and their environment?

Which of the following would NOT be considered a factor influencing population growth?

What is the term for the non-living components of an ecosystem?

At which level of ecological organization would you study the interactions between different populations in a specific area?

What is the term for the study of large-scale ecological and environmental processes?

What is the primary focus of ecosystem ecology?

Why might the population of impalas in a game reserve decrease?

What is the main difference between a population and a community?

What is the level of ecological organization that includes all living beings and their interactions with the environment?

What is the primary focus of biosphere ecology?

What is the main difference between the zebra population in Kruger National Park and the zebra population in Hluhluwe-Umfolozi game reserve?

What is the primary focus of community ecology?

What is the main difference between a community and an ecosystem?

What is the primary focus of an ecologist's study?

What level of ecological organization includes multiple populations of different species?

What is the main difference between a population and a community?

What is the term for the study of how energy flows and nutrients cycle between living and non-living components?

What is the main difference between two populations of the same species living in different areas?

What level of ecological organization is the largest collective unit of living organisms and their environment?

What is the term for the non-living components of an ecosystem?

What is the primary focus of ecosystem ecology?

What is the primary focus of studying a community in ecology?

What would be the most likely cause of a decrease in the hippo population in the St. Lucia estuary?

What is the primary difference between a population and a community?

What is the level of ecological organization that includes all living beings and their interactions with the environment?

What is the primary focus of ecosystem ecology?

Why might the zebra population in Kruger National Park be different from the zebra population in Hluhluwe-Umfolozi game reserve?

What is an example of a factor that can influence the size of a population?

What is the primary focus of biosphere ecology?

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