Origin of Life

What significant change occurred to a primitive heterotrophic prokaryote via mutation?

• It became extinct

• It developed the ability to produce its own food, becoming an autotroph

• It remained unchanged

• It evolved into a multicellular organism

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What theory explains the origin of eukaryotic cells as a result of a mutually beneficial association among various kinds of prokaryotes?

• Germ theory

• Endosymbiotic theory

• Evolutionary theory

• Cell theory

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NGSS.HS-LS4-1

According to the endosymbiotic theory, which organelles are believed to have established residence inside a prokaryote to form a eukaryote?

• Ribosomes and endoplasmic reticulum

• Golgi apparatus and lysosomes

• Mitochondria and chloroplasts

• Nucleus and vacuoles

What significant change did photosynthesis introduce to Earth's atmosphere?

• Increase in carbon dioxide levels

• Introduction of oxygen

• Reduction of sunlight

• Increase in nitrogen levels

Which cells are formed from the partnership between aerobic heterotrophic bacteria and photosynthetic bacteria?

• Anaerobic Heterotrophic Prokaryotic Cells

• Aerobic Heterotrophic Prokaryotic Cells

• Eukaryotic Cells

• Photosynthetic Prokaryotic Cells

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Which of the following is NOT a characteristic of mitochondria and chloroplasts according to the Endosymbiotic Theory?

• Have their own DNA

• Ribosomes resemble those of bacteria

• Reproduce independently of their host cell

• Contain a single membrane

According to the endosymbiotic theory, which organelle did aerobic bacteria become in primitive eukaryotes?

• Ribosomes

• Mitochondria

• Nucleus

• Golgi apparatus

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NGSS.HS-LS4-1

Which organelle did photosynthetic bacteria become in primitive photosynthetic eukaryotes?

• Mitochondria

• Chloroplast

• Endoplasmic reticulum

• Vacuole

What organisms did aerobic eukaryotes give rise to?

• Plants

• Animals, Fungus, Protists

• Bacteria

• Viruses

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NGSS.HS-LS4-1

What organisms did primitive photosynthetic eukaryotes give rise to?

• Animals

• Fungi

• Plants

• Bacteria

Tags

NGSS.HS-LS4-1

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