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Chloroplasts of green algae evolved from_____ .
a. cyanobacteria b. archaea c. red algae
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- ______carry out oxygen-releasing photosynthesis. a. Spirochetes c. Cyanobacteria b. Chlamydias d. ProteobacteriaMitochondria most likely evolved from_______. a. a photosynthetic cyanobacterium b. cytoskeletal elements c. aerobic bacteria d. membrane proliferationCyanobacteria harness energy from the sun through photosynthesis, and oxidize water to provide electrons for energy generation. Thus, we classify cyanobacteria as _________. a. photolithotrophs b. photoautotrophs c. chemolithoautotrophs d. chemo-organotrophs
- According to the endosymbiotic theory, _____ were/was originallyphotosynthetic bacteria.a. ribosomesb. chloroplastsc. mitochondriad. the nucleusMicrobial mats __________. a. are the earliest forms of life on Earth b. obtained their energy and food from hydrothermal vents c. are multi-layered sheets of prokaryotes including mostly bacteria but also archaea d. all of the aboveProtists with the capabilities to perform photosynthesis and to absorb nutrients from dead organisms are called ______________. a. photoautotrophs b. mixotrophs c. saprobes d. heterotrophs
- Protists with the capabilities to absorb nutrients from dead organisms are called_____________. a. photoautotrophs b. autotrophs c. saprobes d. heterotrophs______are members of the phytoplankton . a. Water molds c. Diatoms b. Giant kelps d. Cellular slime moldsBoth archaea and eukaryotes have______ . a. peptidoglycan c. a nucleus b. histone proteins d. a capsid
- Which of the following structures in chlorarachniophytes provides evidence that they evolved through the endosymbiosis of a green alga by a heterotrophic eukaryote? A. food vacuole B. nucleomorph C. mitosomes D. flagellaWhich group of Algae can follow any of three basic life cycles: haplontic, diplontic and haplo-diplontic? A. Green algae B. Diatomophyceae C. Phaeophyceae D. Red algae E. CyanobacterWhich of the following is NOT a unicelled organism? a. amoeba b. bacteria c. paramecium d. fungi