Biotic & Abiotic Factors in Ecosystems

What is a biotic factor?

• A non-living component of an ecosystem, such as rocks and water.

• A living component of an ecosystem, such as plants, animals, and microorganisms.

• A chemical substance that affects living organisms.

• A physical feature of the environment, such as temperature and sunlight.

Give an example of an abiotic factor.

• Water

• Trees

• Animals

• Bacteria

What do abiotic factors provide to an ecosystem?

• Essential resources like light, air, and nutrients.

• Only water and soil.

• Only temperature and humidity.

• Only sunlight and minerals.

What is the difference between a population and a community?

• A population is a group of individuals of different species, while a community includes individuals of the same species.

• A population is a group of individuals of the same species, while a community includes different species living together.

• A population refers to the total number of organisms in an ecosystem, while a community refers to the physical environment.

• A population is a group of organisms that are all located in the same geographical area, while a community is a group of organisms that interact with each other.

What is biodiversity?

• Biodiversity refers to the variety of living organisms in an ecosystem.

• Biodiversity is the total number of species in a specific area.

• Biodiversity is the genetic variation within a single species.

• Biodiversity refers to the number of ecosystems in a region.

Give an example of a biotic factor.

• A tree

• Water

• Sunlight

• Soil

What is an abiotic factor?

• A living organism in an ecosystem

• A non-living component of an ecosystem, such as sunlight, water, and minerals.

• A type of biotic factor that affects living organisms

• A process that occurs in living organisms

What is an ecosystem?

• An ecosystem is a community of living and nonliving things interacting with each other.

• An ecosystem is a type of plant that grows in water.

• An ecosystem is a group of animals that live in the same habitat.

• An ecosystem is a system of government for managing natural resources.

How do biotic and abiotic factors interact?

• Biotic factors depend on abiotic factors for survival; for example, plants (biotic) need sunlight (abiotic) to grow.

• Abiotic factors are independent of biotic factors and do not affect them.

• Biotic factors can thrive without any abiotic factors present.

• Abiotic factors are only relevant to non-living organisms.

What role do decomposers play in an ecosystem?

• Decomposers break down dead organic matter, returning nutrients to the soil.

• Decomposers produce energy through photosynthesis.

• Decomposers consume living plants and animals.

• Decomposers create new organic matter from inorganic substances.