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The Importance of Species Richness in Ecosystem Functioning

The Importance of Species Richness in Ecosystem Functioning

Assessment

Interactive Video

Biology, Science, Other

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explores the importance of biodiversity, focusing on species richness and its role in ecosystem stability. It discusses how species interact within ecosystems, the flow of energy through food webs, and the impact of whale falls on ecosystem dynamics. The video emphasizes the complexity and resilience of ecosystems, highlighting the importance of maintaining biodiversity to prevent ecological collapse.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'ecosystem' refer to in the context of biodiversity?

A system of interacting organisms and their environment

A collection of non-living elements

A group of similar species

A single species living in isolation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is species richness crucial for ecosystem stability?

It limits the growth of certain species

It provides more options for interactions

It increases the number of predators

It reduces the number of interactions

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a network diagram in an ecosystem represent?

The geographical distribution of species

The physical size of species

The genetic diversity of species

The flow of energy and interactions between species

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does higher biodiversity contribute to ecosystem resilience?

By eliminating competition

By increasing the dependency on a single species

By spreading interactions among more species

By reducing the number of species

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of 'whale falls' in marine ecosystems?

They provide a habitat for new species

They have no impact on the ecosystem

They create a new ecosystem on the sea floor

They disrupt the marine ecosystem

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of producers in an ecosystem?

They decompose organic matter

They provide shelter for animals

They consume other organisms

They convert sunlight into chemical energy

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when a key species is removed from an ecosystem?

The ecosystem may experience a collapse

The ecosystem becomes more stable

New species immediately replace it

The ecosystem remains unchanged

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