Ecosystem Factors and Scientific Terms

What does the prefix "a-" typically mean in scientific terms?

• With

• Against

• Without or not

• Before

What are biotic factors in an ecosystem?

• Nonliving components like soil and water.

• Living components like animals, plants, and bacteria.

• Factors that control the climate.

• Elements that cause natural disasters.

Which of the following is an abiotic factor?

• Animals

• Plants

• Bacteria

• Soil

Which of these is considered a biotic factor in an ecosystem?

• Water

• Rocks

• Trees

• Air

What is a potential effect of a drought on an ecosystem?

• Increased plant growth due to less competition.

• Improved access to drinking water for animals.

• Increased fire risk.

• Higher levels of oxygen in the atmosphere.

What are some of the negative effects of man-made (intentional) abiotic changes like dams?

• migration patterns change

• water temperature and depths change

• habitats for different ecosystems change

• all of the choices are negative effects

Biotic and abiotic factors​ (a)   on each other to maintain balance.

• depend
• do not depend