Podcast
Questions and Answers
What does 'biodiversity' mean?
What does 'biodiversity' mean?
- the size of a forest
- the variety of life on Earth (correct)
- the number of raindrops in a storm
- the colors in a rainbow
Imagine a coral reef and a desert. Which has more biodiversity?
Imagine a coral reef and a desert. Which has more biodiversity?
- Coral reef, because deserts have more plants
- Desert, because it has more sand
- Coral reef, because it has more marine species (correct)
- Desert, because it has fewer animal species
What is a habitat?
What is a habitat?
- A type of music
- A fancy hat
- A type of food
- A place where an animal or plant lives and gets everything it needs (correct)
What does 'interdependence' mean?
What does 'interdependence' mean?
What might happen to an ecosystem if one type of animal disappeared?
What might happen to an ecosystem if one type of animal disappeared?
What is the main difference between vertebrates and invertebrates?
What is the main difference between vertebrates and invertebrates?
What characteristic best defines biodiversity?
What characteristic best defines biodiversity?
If you match a bird to its habitat, where would it most likely live?
If you match a bird to its habitat, where would it most likely live?
How would you describe an independent species?
How would you describe an independent species?
What term best describes the relationship between plants and animals in an ecosystem?
What term best describes the relationship between plants and animals in an ecosystem?
In an ecosystem, what could be a consequence of disrupting the food chain?
In an ecosystem, what could be a consequence of disrupting the food chain?
How are vertebrates different from invertebrates?
How are vertebrates different from invertebrates?
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Study Notes
Biodiversity and Ecosystems
- Biodiversity refers to the variety of different species of plants, animals, and microorganisms that live in an ecosystem or on Earth as a whole.
Habitats and Species
- A habitat is the natural environment in which an organism or species normally lives or occurs.
- A species is independent if it can survive and reproduce on its own without relying on another species.
Vertebrates and Invertebrates
- The main difference between vertebrates and invertebrates is the presence or absence of a backbone.
- Vertebrates have a backbone, while invertebrates do not.
Interdependence and Food Chains
- Interdependence refers to the way different species in an ecosystem rely on each other for survival.
- If one type of animal disappears, it may have a ripple effect throughout the ecosystem, potentially affecting other species that rely on it.
- Disrupting the food chain, a series of organisms that eat other organisms, can have consequences for the entire ecosystem.
Species and Their Environments
- If you match a bird to its habitat, it would most likely live in an environment that provides the necessary resources for its survival, such as food, water, and shelter.
Ecological Relationships
- The term that best describes the relationship between plants and animals in an ecosystem is interdependence.
Key Characteristics of Biodiversity
- The characteristic that best defines biodiversity is the variety of different species present in an ecosystem or on Earth.
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