Understanding Biotic and Abiotic Factors

What is a biotic factor?

• A non-living part of the environment

• A living organism or how it interacts with its environment

• A type of mineral found in soil

• A weather pattern

Tags

NGSS.MS-LS2-2

Which of the following is an example of an abiotic factor?

• A herd of bison

• Bacteria in intestines

• Sunlight

• A tree

Tags

NGSS.MS-LS2-3

What is the biosphere?

• All the gases in the air that surround Earth

• All living organisms on Earth

• The interior and surface of the Earth

• All saltwater and freshwater on Earth

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following best describes a biome?

• A group of different species interacting in a specific area

• A region defined by specific abiotic factors

• A group of individuals from the same species

• A small, natural system like a pond

What is a microecosystem?

• A large ecosystem like a forest

• A small, natural system like a decaying log

• A group of microbes living on another organism

• A community of different species

How does latitude affect temperature?

• Temperature increases with latitude

• Temperature decreases with latitude

• Temperature remains constant with latitude

• Temperature is not affected by latitude

Tags

NGSS.MS-ESS2-6

What is species richness?

• The number of different species in an area

• The total population of a single species

• The amount of sunlight in an ecosystem

• The diversity of abiotic factors

Tags

NGSS.MS-LS2-5

Which of the following is a characteristic of terrestrial biomes?

• Defined by water depth and salinity

• Defined by climate (temperature and precipitation)

• Defined by ocean currents

• Defined by dissolved oxygen levels

What is the primary factor that affects species richness in aquatic environments?

• Elevation

• Water depth

• Soil nutrients

• Latitude

Which of the following is a freshwater ecosystem?

• Coral reef

• Ocean

• Lake

• Mangrove