Ecosystems and Food Chains
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the importance of genetic variability in a species?

  • It increases the vulnerability of a species to diseases
  • It is essential for maintaining a healthy breeding population (correct)
  • It ensures the extinction of a species
  • It reduces the number of species in an ecosystem

What is the term for the diversity of genes within a species?

  • Ecosystem Diversity
  • Genetic Diversity (correct)
  • Species Diversity
  • Ecological Diversity

Which of the following is an ecosystem service?

  • Pollination (correct)
  • Predation
  • Decomposition
  • Photosynthesis

What is the term for the number of different species of plants and animals in a region?

<p>Species Diversity (B)</p> Signup and view all the answers

What is the term for the variety of living organisms in an ecosystem?

<p>Biodiversity (B)</p> Signup and view all the answers

What is the term for the role of natural enemies in controlling diseases?

<p>Disease Control (A)</p> Signup and view all the answers

What percentage of animal protein consumed worldwide comes from fish and other marine animals?

<p>20% (C)</p> Signup and view all the answers

What is the estimated annual value of fish and other marine animals consumed worldwide?

<p>$50-$100 billion (D)</p> Signup and view all the answers

What is the main benefit of having a diverse range of species in an ecosystem?

<p>It provides essential goods and services for human well-being (D)</p> Signup and view all the answers

What is a major threat to biodiversity?

<p>Habitat destruction and fragmentation (B)</p> Signup and view all the answers

What is the role of healthy pollinators in crop production?

<p>They are essential for the production of more than a third of the world's crops (D)</p> Signup and view all the answers

What is the estimated number of plant species that are cultivated or harvested from the wild?

<p>More than 7000 (C)</p> Signup and view all the answers

What is a major consequence of increasing population growth?

<p>Habitat loss and pollution (A)</p> Signup and view all the answers

What is the term for a species that is exclusively native to a particular place or biota?

<p>Endemic species (D)</p> Signup and view all the answers

What is the scientific study of how humans impact organisms and the development of ways to protect biological diversity?

<p>Conservation biology (B)</p> Signup and view all the answers

Which country has the highest number of endemic species per unit area of habitat, after Madagascar?

<p>Philippines (C)</p> Signup and view all the answers

What is the term for a species that is at risk of extinction due to habitat loss, pollution, or other human activities?

<p>Endangered species (A)</p> Signup and view all the answers

What is the term for regions that experience an alarming rate of destruction of important natural resources that harbor biodiverse organisms?

<p>Biodiversity hotspots (C)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser