Ecology

Which nutrient cannot be found within the atmosphere?

• Water

• Nitrogen

• Carbon

• Phosphorus

• Oxygen

Nitrogen fixation is when bacteria...

• convert unusable nitrogen into usable forms

• convert water from a liquid to a gas

• convert nitrogen bases into amino acids

• convert nitrogen from photosynthesis into nitrogen for cellular respiration

Epiphytes use larger trees as a surface to grow but don’t help nor harm the larger tree. Which type of symbiosis is this?

• Commensalism

• Communism

• Communion

• Condominium

• Commercialism

Biomagnification is when...

• pollutants accumulate higher up the food chain.

• life moves into higher areas of the Earth.

• the temperature of the Earth grows as a result of pollution.

• phosphorus cycles through the environment.

• 10% energy is lost at every trophic level.

Ants live inside the acacia plant and in return defend the plant from herbivores. Which type of symbiotic relationship is this?

• Commensalism

• Mutualism

• Parasitism

• Beneficialism

• Communism

During condensation, water changes from a _______ to a ______.

• gas to a liquid.

• liquid to a gas.

• gas to a solid.

• solid to a liquid.

• liquid to a solid.

Water condenses because of.....

• cooling temperatures.

• warming temperatures.

• rising pH.

• lower pH.

• unstable electron levels.

Which level of ecology is the most specific?

• Biome

• Biosphere

• Ecosystem

• Community

Lightning plays a role of breaking chemical bonds during which nutrient cycle?

• nitrogen

• phosphorus

• carbon

• water

• oxygen

Which are ABIOTIC factors? Pick all that apply.

• Sunlight

• temperature

• moisture

• air pressure

• producers