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m_a_m_a [10]
2 years ago
5

Mitochondria and chloroplasts are thought to have been ______.

Biology
2 answers:
yawa3891 [41]2 years ago
6 0
Mitochondria and chloroplasts likely evolved from engulfed prokaryotes that once lived as independent organisms.
(At some point, a eukaryotic cell engulfed an aerobic prokaryote, which then formed an endosymbiotic relationship with the host eukaryote, gradually developing into a mitochondrion. Eukaryotic cells containing mitochondria then engulfed photosynthetic prokaryotes, which evolved to become specialized chloroplast organelles).
Snezhnost [94]2 years ago
3 0

Free living prokaryotes

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Answer:

The correct answer is C) ensures the continued existence of the human species.

Explanation:

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The reproductive system in humans ensures the continued existence of human species in this world because the reproductive system is responsible for gamete fusion and new offspring developments which are more adapted in the environment. This ensures the existence of humans on earth.

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3 years ago
2) O DNA e o RNA são os quais se formam a partir de Estes são constituídos por um ácido fosfórico, um açúcar e uma base nitrogen
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E) Nucleic acids; nucleotides; deoxyribose; ribose; uracil; thymine.

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2 years ago
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3 years ago
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mantle

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