G7-8 ECOLOGY
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Questions and Answers

Ecology is the study of organism-environment interaction.

True

Conservation and biodiversity emphasize the interdependence of endangered species.

True

Sustainable resource management aims to prevent resource depletion.

True

Restoration ecology aims to recover biodiversity and ecosystem services.

<p>True</p> Signup and view all the answers

Natural selection is guided by a breeder and produces order and complex function

<p>False</p> Signup and view all the answers

Descent modification is the process by which random genetic mutations occur

<p>True</p> Signup and view all the answers

All life on Earth is related according to the theory of common descent

<p>True</p> Signup and view all the answers

Charles Darwin and Alfred Russel Wallace worked together in discovering natural selection

<p>False</p> Signup and view all the answers

High species diversity enhances ecosystem stability and resilience.

<p>True</p> Signup and view all the answers

Invasive species can cause extinctions of native plants and animals and alter habitats.

<p>True</p> Signup and view all the answers

Overexploitation means harvesting species from the wild at rates faster than the natural population can recover.

<p>True</p> Signup and view all the answers

Evolution is the process by which new species arise and existing species adapt to their environment through gradual changes in their genetic makeup.

<p>True</p> Signup and view all the answers

True or false: Mass Extinction refers to the death of a species that occurred 444 million years ago?

<p>True</p> Signup and view all the answers

True or false: Human activities are the major cause of background extinction?

<p>False</p> Signup and view all the answers

True or false: Deforestation is a common cause of extinction as it makes animals vulnerable to hunters and poachers?

<p>True</p> Signup and view all the answers

True or false: Climate change has no impact on the extinction of species?

<p>False</p> Signup and view all the answers

True or false: Carrying capacity refers to the maximum number of individuals that an ecosystem can support without affecting their quality of life?

<p>True</p> Signup and view all the answers

True or false: Human activities can affect the carrying capacity of an ecosystem?

<p>True</p> Signup and view all the answers

True or false: Biodiversity refers to the variety of life forms in an ecosystem including the diversity of species, genes, and ecosystems?

<p>True</p> Signup and view all the answers

True or false: Genetic diversity refers to the range of different inherited traits within a species?

<p>True</p> Signup and view all the answers

True or false: Biodiversity refers to the variety of life forms in an ecosystem including the diversity of species, genes, and ecosystems?

<p>True</p> Signup and view all the answers

True or false: The availability of resources has no impact on the carrying capacity of an ecosystem?

<p>False</p> Signup and view all the answers

True or false: Human actions such as habitat destruction and pollution can greatly affect the carrying capacity of an ecosystem?

<p>True</p> Signup and view all the answers

True or false: Genetic diversity refers to the variety of genes within a single species and plays a vital role in evolution?

<p>True</p> Signup and view all the answers

Extinction occurs when a species disappears from the ______.

<p>Earth</p> Signup and view all the answers

In biology, extinction refers to the ______ of a species.

<p>death</p> Signup and view all the answers

Scientists are unsure of the exact number of plant, animal, fungal, and bacterial species that exist on ______.

<p>Earth</p> Signup and view all the answers

Studying extinction is necessary to learn more about how life has ______ on Earth.

<p>evolved</p> Signup and view all the answers

Understanding extinction helps us know the effects of significant changes to our planet’s ______.

<p>atmosphere</p> Signup and view all the answers

Studying extinction allows us to discover how life ______ after a mass die-off event.

<p>recovers</p> Signup and view all the answers

The Ordovician-Silurian extinction occurred ______ million years ago.

<p>444</p> Signup and view all the answers

The Permian-Triassic Extinction occurred ______ million years ago.

<p>252</p> Signup and view all the answers

The Triassic-Jurassic Extinction occurred ______ million years ago.

<p>201</p> Signup and view all the answers

The Cretaceous-Paleogene Extinction occurred ______ million years ago.

<p>66</p> Signup and view all the answers

Which of the following is a major cause of human-induced extinction?

<p>Climate change</p> Signup and view all the answers

What is the term used to describe the death of a species?

<p>Extinction</p> Signup and view all the answers

Which of the following is NOT a cause of human-induced extinction?

<p>Background extinction</p> Signup and view all the answers

What is the term used to describe a species that has disappeared from the Earth?

<p>Extinct</p> Signup and view all the answers

Which type of extinction is caused by environmental and ecological aspects?

<p>Background Extinction</p> Signup and view all the answers

What is the term used to describe a species that is at high risk of extinction in the wild?

<p>Extinct in the Wild</p> Signup and view all the answers

Which of the following is a major cause of background extinction?

<p>Climate Change</p> Signup and view all the answers

What is the term used to describe a species that is at a moderate risk of extinction?

<p>Near Threatened</p> Signup and view all the answers

Which of the following is a major cause of human-induced extinction?

<p>Invasive Species</p> Signup and view all the answers

What is the term used to describe a species that is not evaluated for its conservation status?

<p>Data Deficient</p> Signup and view all the answers

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