Understanding Ecosystems and Their Factors

This video lesson introduces ecosystems, explaining their definition and the factors involved. It covers the basic needs of animals and plants, provides examples of different ecosystems, and distinguishes between abiotic and biotic factors. The lesson aims to help students define ecosystems, give examples, and classify factors as abiotic or biotic.

What is the primary goal of this lesson on ecosystems?

• To explore the solar system

• To define ecosystems and identify their factors

• To understand the structure of the human body

• To learn about the history of ecosystems

Which of the following is NOT a basic need for animals?

• Food

• Shelter

• Water

• Light

What do plants require for photosynthesis?

• Carbon dioxide

• Oxygen

• Helium

• Nitrogen

How is an ecosystem defined in this lesson?

• A place with only plants

• A region with no living organisms

• An environment where organisms and surroundings interact

• A location with only water bodies

Which movie is mentioned as an example of different ecosystems?

• Frozen

• Zootopia

• The Lion King

• Finding Nemo

Which of the following is NOT an example of an ecosystem mentioned?

• Desert

• Urban city

• Temperate forest

• Tropical rainforest

What type of ecosystem is known as 'savannah'?

• Tropical rainforest

• Temperate grassland

• Tropical grassland

• Coniferous forest

What does 'abiotic' refer to in an ecosystem?

• Living factors

• Only water bodies

• Non-living factors

• Only plant life

Which of the following is a biotic factor?

• Light

• Temperature

• Soil type

• Predators

What is the role of biotic factors in an ecosystem?

• They control water levels

• They determine soil type

• They influence living conditions

• They provide light