Question

question 7

it is believed that through prokaryote relationships, an energy producing ancestral prokaryote became a ____ within a cell and a photosynthetic ancestral prokaryote became a ____ within a cell.

• chloroplast, mitochondria
• mitochondria, chloroplast
• cell wall, ribosome
• ribosome, cell wall

question 8

______ are earths first cells and are the simplest life forms exhibiting cellular structure.

• prokaryotes
• protist
• eukaryotes
• fungi

Explanation:

Analyze Question 7

Using the Mitochondria Function and Chloroplast Structure knowledge points
The endosymbiotic theory describes how eukaryotic organelles evolved from free-living prokaryotes. An energy-producing ancestral prokaryote (aerobic bacterium) was engulfed and became the mitochondrion. A photosynthetic ancestral prokaryote (cyanobacterium) was engulfed and became the chloroplast. Therefore, the blanks should be filled with "mitochondria" and "chloroplast" in that order.

Analyze Question 8

Using the Prokaryotic Cells knowledge point
Prokaryotes are single-celled organisms that lack a membrane-bound nucleus and other organelles. They are widely recognized as Earth's first living cells and represent the simplest life forms exhibiting cellular structure.

Answer:

Question 7

• chloroplast, mitochondria
• mitochondria, chloroplast (Correct answer)
• cell wall, ribosome
• ribosome, cell wall

Question 8

• Prokaryotes (Correct answer)
• Protist
• Eukaryotes
• Fungi