23. The Endosymbiotic Theory of Eukaryotic evolution is based on which organelle

Question

23. The Endosymbiotic Theory of Eukaryotic evolution is based on which organelles as symbionts? a. nucleus b. chloroplast c. mitochondria d. a and b e.b and c 24. Increased Co, in the atmosphere caused by the burning of fossil fuels affects coral reef what ways? a. it warms the tropics and corals grow better in warmer water b. it warms the tropics and corals don't like change c. it acidifies the ocean d. a and c e. b and c 25. The chromatophore in an octopus is used for: a. camouflage e. all of the above b. mating displays c. surprising predators d. a and b 26. A true coelom is a cavity lined a. on all sides with mesoderm-derived tissue tissue b. on one side with mesoderm-derived

Explanation / Answer

23. d. both b and c

both mitochondria and chloroplast form the basis of endosymbiotic theory. the evidences that points to these organelles lie in their resemblance with prokaryotic organism like- they have thei own "circular" genome

24. d both b and c

corals are cnidarians living in symbiotic association with algae. when the corals are stressed due to environment like increase in temperature and acidity the algae leaves causing the bleaching (colorful corals turn white)

25. all of the above

26. a

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