Biogeochemical Cycles Quiz

What is predictable changes that occur in a community over time?

• biological shift

• geological improvement

• ecological succession

• chemical variation

Which type of ecological succession occurs on surfaces where no soil exists (example: after a volcano eruption) and the first species there is called a pioneer species ?

• primary succession

• secondary succession

Which ecological succession occurs where soil exists after disturbances like fire and flood?

• secondary succession

• primary succession

What is it called when succession slows down and a stable community is established?

• ecological peak

• apex community

• ecological termination

• climax community

Matter is recycled within and between ecosystems in __________________ cycles

• biogeochemical

• ecological

• life

• weather

What is it called when water changes from liquid to atmospheric gas?

• transpiration

• condensation

• evaporation

• precipitation

What is it called when water enters the atmosphere through plant leaves?

• transpiration

• condensation

• evaporation

• precipitation

What is it called when water vapor condenses to make clouds?

• transpiration

• condensation

• evaporation

• precipitation

What is it called when water falls to Earth as rain, snow, sleet, or hail

• transpiration

• condensation

• evaporation

• precipitation

How do consumers get nitrogen?

• eating plants and animals

• taking in nitrates from soil

• absorbing it through their skin

• taking vitamins