Ecology and Ecosystem Interactions

This video provides an overview of ecology, focusing on key terms and concepts relevant to leaving cert biology. It covers the study of ecosystems, including flora and fauna, and the importance of adaptation. The video explains communities, populations, and habitats, as well as feeding relationships through food chains and webs. It discusses ecological niches, pyramids of numbers, and environmental factors affecting ecosystems. The video also addresses population control, conservation practices, and pollution issues, emphasizing the importance of maintaining biodiversity and managing waste.

What is the study of interactions between organisms and their environment called?

• Biology

• Zoology

• Ecology

• Geology

Which of the following is an example of an ecosystem?

• A cloud

• A pond

• A rock

• A single tree

What term describes all the different populations living in a specific area?

• Biosphere

• Ecosystem

• Habitat

• Community

Which of the following is a primary consumer in a food chain?

• A decomposer

• A carnivore

• A herbivore

• A plant

What is the role of an organism within its ecosystem called?

• Community

• Population

• Niche

• Habitat

What type of competition occurs between members of the same species?

• Interspecific

• Intraspecific

• Contest

• Scramble

Which of the following is an abiotic factor?

• Temperature

• Parasitism

• Predation

• Symbiosis

What is the term for a relationship where both species benefit?

• Parasitism

• Commensalism

• Predation

• Mutualism

What is the main goal of conservation?

• To eliminate all predators

• To increase pollution

• To maintain biodiversity

• To reduce human population

Which practice is NOT a part of waste management?

• Deforestation

• Recycling

• Landfill

• Incineration