Biodiversity in 7th Grade

What is biodiversity?

• Biodiversity is the study of rocks.

• Biodiversity is the number of stars in the sky.

• Biodiversity is the color of the ocean.

• Biodiversity is the variety of life forms on Earth.

Explain the importance of biodiversity in an ecosystem.

• Human well-being is not affected by biodiversity

• Biodiversity is crucial for maintaining the balance and health of ecosystems, ensuring the survival of various species, and supporting human well-being.

• Biodiversity has no impact on ecosystems

• Ecosystems thrive better with limited species diversity

How does human activity impact biodiversity?

• Human activity impacts biodiversity through habitat destruction, pollution, introduction of invasive species, overexploitation of resources, and climate change.

• Biodiversity is not affected by human activity

• Human activity has no impact on biodiversity

• Human activity promotes biodiversity

Describe the difference between species richness and species evenness.

• Species richness is the distribution of species across habitats, while species evenness is the genetic diversity within a species.

• Species richness is the abundance of a single species, while species evenness is the variety of species.

• Species richness is the variety of species, while species evenness is the relative abundance of each species.

• Species richness is the relative abundance of each species, while species evenness is the total number of individuals.

What are some ways to conserve biodiversity?

• Ignoring conservation laws

• Protecting habitats, reducing pollution, promoting sustainable practices, enforcing conservation laws, raising awareness

• Increasing pollution

• Cutting down forests

Discuss the concept of keystone species and their role in an ecosystem.

• Keystone species have no impact on other species in an ecosystem.

• Keystone species are always the most abundant species in an ecosystem.

• Keystone species play a critical role in regulating the populations of other species, influencing energy flow, and maintaining biodiversity within an ecosystem.

• Keystone species are only found in aquatic ecosystems.

What is the difference between genetic diversity and species diversity?

• Genetic diversity is the diversity of genes, species diversity is the diversity of ecosystems.

• Genetic diversity is within a species, species diversity is between species.

• Genetic diversity is the diversity of ecosystems, species diversity is the diversity of genes.

• Genetic diversity is the same as species diversity.

Explain the term 'ecosystem services' in relation to biodiversity.

• Ecosystem services are solely determined by human activities, not biodiversity.

• Ecosystem services are the benefits humans derive from ecosystems, with biodiversity playing a key role in supporting and enhancing these services.

• Ecosystem services are only related to climate change, not biodiversity.

• Biodiversity has no impact on ecosystem services.

How does climate change affect biodiversity?

• Biodiversity benefits from climate change

• Climate change only affects a small portion of biodiversity

• Climate change affects biodiversity through habitat alteration, ecosystem disruption, and species distribution changes.

• Climate change has no impact on biodiversity

Give examples of different types of ecosystems and their biodiversity.

• Arctic tundras with high biodiversity

• Urban areas with diverse ecosystems

• Mountain ranges with limited biodiversity

• Examples of different types of ecosystems and their biodiversity include tropical rainforests, coral reefs, deserts, grasslands, and freshwater lakes.