Science Olympiad Ecology

In a food chain, which organism is typically at the top?

• Herbivore

• Carnivore

• Omnivore

• Producer

What is the term for the variety of life in the world or in a particular habitat or ecosystem?

• Biomass

• Biodiversity

• Biome

• Biosphere

Tags

NGSS.MS-LS2-5

What is the process by which plants release water vapor into the air through stomata?

• A) Photosynthesis

• B) Transpiration

• C) Respiration

• D) Evaporation

What is the term for a group of ecosystems that share similar climates and organisms?

• Biome

• Community

• Population

• Habitat

Which of the following processes is responsible for the nitrogen cycle in ecosystems?

• Photosynthesis

• Nitrogen fixation

• Respiration

• Decomposition

Which of the following is an abiotic factor that can affect an ecosystem?

• Predators

• Plants

• Temperature

• Herbivores

What are the major levels of ecological organization?

• individual, group, community, habitat, biome, and biosphere

• species, group, community, habitat, biome, and biosphere

• individual, population, community, ecosystem, biome, and biosphere

• organism, group, environment, habitat, biosphere, and ecosystem

What is the definition of ecology?

• The scientific study of the relationships between organisms and their environment.

• The study of the Earth's physical features and climate.

• The study of the origins and development of human societies.

• The study of the human body and its functions.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the study of the interaction of living things with one another and with its environment?

• community

• ecology

• ecosystem

Tags

NGSS.MS-LS2-2

Which sphere of the Earth includes all living organisms?

• Atmosphere

• Hydrosphere

• Biosphere

• Geosphere

Tags

NGSS.MS-LS1-1

NGSS.MS-LS2-1

NGSS.MS-LS2-3