Ecology Fundamentals Review

The video tutorial covers fundamental ecology concepts, including species, population, and community. It explains ecosystems as a combination of living and nonliving components, divided into biotic and abiotic elements. The terms habitat and niche are defined, along with roles like producer, consumer, and decomposer. Food chains and webs are highlighted, encouraging viewers to observe ecological principles in their surroundings.

What is an ecosystem composed of?

• Only plants

• Both living and nonliving things

• Only nonliving things

• Only living things

How do ecologists categorize the components of an ecosystem?

• Into habitats and niches

• Into producers and consumers

• Into species and populations

• Into biotic and abiotic components

What term describes the role an organism plays in its ecosystem?

• Population

• Community

• Niche

• Habitat

Which of the following is NOT a role typically filled by organisms in an ecosystem?

• Decomposer

• Consumer

• Predator

• Producer

What ecological concept helps us understand the flow of energy through an ecosystem?

• Habitats

• Species

• Population

• Food chains and food webs