Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Specialist species are organisms that have specific requirements and can only survive in a narrow range of environmental conditions or by consuming specific types of food.
A keystone species is a plant or animal that plays a crucial role in maintaining the balance and diversity of an ecosystem.
Endangered species: Endangered species are organisms that are at risk of becoming extinct due to various factors such as habitat loss, pollution, or overhunting.
A niche refers to the specific role or position an organism occupies within its ecosystem, including its interactions with other organisms and its use of resources.