Prokaryotes: Video Review

The video explores the fascinating characteristics of prokaryotes, starting with their early nature and history. It discusses the diversity and abundance of these organisms, followed by a detailed examination of the characteristics of archaea and bacteria. The video concludes by highlighting the positive and negative impacts prokaryotes have on humans and the environment.

What is one of the key features of the earliest prokaryotes?

• They were multicellular organisms.

• They had a complex cellular structure.

• They were abundant and diverse.

• They were dependent on oxygen.

Which of the following is a general characteristic of prokaryotes?

• They have a nucleus.

• They lack membrane-bound organelles.

• They are always harmful to humans.

• They are larger than eukaryotic cells.

What distinguishes archaea from bacteria?

• Bacteria have a unique genetic code.

• Bacteria can survive in extreme environments.

• Archaea have a different cell wall composition.

• Archaea are always pathogenic.

How do prokaryotes positively impact the environment?

• By consuming all available resources.

• By decomposing organic matter.

• By causing diseases.

• By reducing biodiversity.

What is a negative impact of prokaryotes on humans?

• They help in digestion.

• They are used in food production.

• They contribute to the nitrogen cycle.

• They can cause infectious diseases.