What is the niche of an organism?

• The habitat where it lives

• The type of food it consumes

• The role it plays in its ecosystem

• The number of individuals in a population

Which of the following is a biotic component of an ecosystem?

• Air

• Plants

• Water

• Soil

What is population ecology primarily concerned with?

• The dynamics of species populations

• The study of individual organisms

• The physical environment of organisms

• Interactions between different species

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Which factor does NOT affect the distribution of plants in a forest?

• Light intensity

• Wind direction

• Soil pH

• Water availability

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What is the primary source of energy for all organisms?

• Water

• Wind

• Sunlight

• Soil nutrients

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is an example of a photoautotroph?

• Bacteria

• Fungi

• Green plants

• Carnivorous plants

Tags

NGSS.MS-LS1-6

What is the role of decomposers in an ecosystem?

• To produce energy

• To consume primary consumers

• To compete with producers

• To break down dead organic matter

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which term describes the physical characteristics of the Earth's surface?

• Ecosystem

• Biosphere

• Microclimate

• Topography

What is the main purpose of maintaining a biosphere reserve?

• To increase agricultural production

• To develop urban areas

• To promote tourism

• To enhance biodiversity

Tags

NGSS.MS-LS2-5

Which of the following is NOT a type of autotrophic nutrition?

• Photoautotrophic

• Saprotrophic

• Chemoautotrophic

• Holozoic