Keystone species flashcards
Learn about keystone species and their critical roles in ecosystems through these flashcards and quiz questions.
Quiz(13 vragen)
1. Which of the following best defines a keystone species?
Termen in deze set(15)
What is a keystone species?
A species that has a disproportionately large effect on its environment relative to its abundance.
Example of a keystone species.
Sea otters are a keystone species because they control sea urchin populations, promoting kelp forest health.
True or false: All species are keystone species.
False, because only certain species have a significant ecological impact.
Difference between keystone species and dominant species.
Keystone species have a crucial role in ecosystem balance, while dominant species have high abundance.
Fill in the blank: Keystone species can help maintain __________ diversity.
biodiversity
What role do predators play as keystone species?
Predators help control prey populations, preventing overgrazing and promoting plant diversity.
True or false: Keystone species can be plants.
True, because certain plants can influence the structure of an ecosystem.
How can loss of a keystone species affect an ecosystem?
It may lead to imbalance, overpopulation of some species, and loss of biodiversity.
Example of a keystone predator.
Wolves in Yellowstone National Park help regulate elk populations, affecting many other species.
What is a trophic cascade?
An ecological phenomenon triggered by the addition or removal of top predators, leading to dramatic changes.
Fill in the blank: The __________ is a keystone species in many marine ecosystems.
sea star
True or false: Keystone species can only be animals.
False, because both plants and animals can be keystone species.
What is the effect of removing a keystone species?
It often results in a significant decline in ecosystem health and stability.
Example of a keystone herbivore.
The African elephant, which shapes the landscape by feeding on trees and shrubs.
Difference between keystone species and invasive species.
Keystone species are crucial for ecosystem health, while invasive species can disrupt it.
Vragen in deze set(13)
1. Which of the following best defines a keystone species?
2. Which of the following is NOT a role of keystone species?
3. What could happen if a keystone predator is removed?
4. Which of the following examples is a keystone species?
5. What is the impact of an invasive species compared to a keystone species?
6. What term describes the ripple effect in ecosystems caused by changes in predator populations?
7. Which animal is a keystone species in savannah ecosystems?
8. Which of the following statements is true about keystone species?
9. Which of the following is a characteristic of a keystone species?
10. What would most likely happen to an ecosystem if a keystone species is removed?
11. Which of these is an example of a keystone plant species?
12. Which scenario best describes a trophic cascade?
13. True or false: Keystone species are always the largest species in their ecosystem.
Gerelateerde sets
Maak je eigen studieset
Upload een PDF, plak je notities of beschrijf een onderwerp – AI genereert flashcards, quizzen en meer in seconden.
