Multiple Choice
In the context of ecological succession, which organisms are typically the pioneer species in a newly disturbed area?
632
views
48. Ecology
Introduction to Ecology
Struggling with General Biology?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the context of an ecosystem, what is a decomposer and what role do they play?
A
A decomposer is an organism that preys on other animals, controlling population sizes.
B
A decomposer is an organism that produces energy through photosynthesis, providing food for other organisms.
C
A decomposer is an organism that breaks down dead organic material, recycling nutrients back into the ecosystem.
D
A decomposer is an organism that competes with plants for sunlight, reducing plant growth.
Verified step by step guidance1
Understand the definition of a decomposer: A decomposer is an organism that breaks down dead organic material, such as dead plants and animals, into simpler substances.
Recognize the role of decomposers in an ecosystem: They recycle nutrients back into the ecosystem, making them available for use by plants and other organisms.
Identify examples of decomposers: Common decomposers include bacteria, fungi, and certain insects like beetles and worms.
Differentiate decomposers from other organisms: Unlike predators or photosynthetic organisms, decomposers do not prey on living organisms or produce energy through photosynthesis.
Consider the ecological importance: Decomposers play a crucial role in nutrient cycling, helping to maintain the balance and health of ecosystems by breaking down organic matter and returning essential nutrients to the soil.
Related Videos
Related Practice
Introduction to Ecology practice set
Problem sets built by lead tutorsExpert video explanations