How Nature Works in Harmony

Which statement best explains harmony in nature?

1. Every organism lives independently.
2. Living organisms depend on one another and on the environment for survival.
3. Only plants are important in nature.
4. Animals do not affect ecosystems.

Why are decomposers called nature's recyclers?

1. They manufacture plastic products.
2. They recycle nutrients by breaking down dead organisms.
3. They produce oxygen only.
4. They make food through photosynthesis.

A food web is:

1. A single food chain only
2. A network of interconnected food chains
3. A type of spider web
4. A water cycle diagram

Which of the following can disturb the balance of an ecosystem?

1. Planting trees
2. Conserving wildlife
3. Deforestation
4. Recycling waste

Which of the following best describes biodiversity?

1. Number of buildings in a city
2. Variety of living organisms in an area
3. Amount of rainfall received
4. Number of rivers in a country

Which process helps recycle nutrients back into the soil?

1. Photosynthesis
2. Respiration
3. Decomposition
4. Digestion

Which of the following is an example of a carnivore?

1. Cow
2. Rabbit
3. Lion
4. Goat

Which of the following is an example of a herbivore?

1. Lion
2. Tiger
3. Deer
4. Eagle

Which of the following is the first trophic level in a food chain?

1. Carnivores
2. Producers
3. Herbivores
4. Omnivores

A food chain shows:

1. The movement of water in nature
2. The flow of energy from one organism to another
3. The growth of plants only
4. The movement of air

Animals that depend directly or indirectly on plants for food are called:

1. Producers
2. Consumers
3. Decomposers
4. Microorganisms

Which organisms prepare their own food using sunlight?

1. Consumers
2. Decomposers
3. Producers
4. Carnivores