eukaryotes
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What is LECA?
Last eukaryotic common ancestor. It already had many eukaryotic organelles; a nucleus, Golgi apparatus, and mitochondria.
Why do we consider eukaryotes to be a fusion of prokaryotic domains?
Eukaryotes are a product of Endosymbiosis (ancient Archean cell) tried to eat bacterium, but bacterium survived, and endosymbiosis developed, and both worked together. To conclude, because it’s the product of the two prokaryotic domains working together, that’s why it’s a fusion.
Explain the advantage of sexual reproduction over asexual reproduction.
Sexual reproduction leads to a higher genetic diversity in a population.
Symbiosis meaning and example among eukaryotic
Close long term interaction between species both beneficial Mutualism Commensalism Parasitism
Commensalism
Bacteria on human skin
Mutualism
The fungus provides structure and protection, while the algae or cyanobacteria conduct photosynthesis, providing nutrients for both.
Parasitism
The parasite Plasmodium causes malaria in humans. The parasite benefits by obtaining nutrients from blood