Biology, 20.12.2019 17:31, friendsalwaysbae
Russian biologist konstantin mereschkowski published a work containing the endosymbiotic theory in the early 20th century. the endosymbiotic theory holds that eukaryotic cells came to exist because groups of smaller structures, such as organelles, joined together to benefit one another. the communities of structures adapted and became a single organism. many modern biologists believe that the endosymbiotic theory explains the origin of eukaryotic cells. how does this explanation of the endosymbiotic theory indicate that a eukaryotic cell is complex?
a. the explanation indicates that eukaryotic cells developed by accident.
b. the explanation indicates that eukaryotic cells developed gradually over time.
c. the explanation indicates that eukaryotic cells were developed intentionally.
d. the explanation indicates that eukaryotic cells were developed by multiple entities.
Answers: 1
Biology, 21.06.2019 22:00, babyduckies37
How does the molecular clock work? a. it analyzes the brain functionality of two different species. b. it examines and compares the physical characteristics of two different species. c. it illustrates relationships between two different species. d. it compares the number of mutations that exist in the dna of two different species.
Answers: 1
Biology, 22.06.2019 20:00, oktacos
Which of the following statements best distinguishes a hypothesis from a theory? a. theories are hypotheses that have been proved. b. hypotheses are guesses; theories are correct answers c. hypotheses usually are relatively narrow in scope; theories have broad explanatory power. d. theories are proved to be true; hypotheses are often contradicted by experimental results.
Answers: 1
Russian biologist konstantin mereschkowski published a work containing the endosymbiotic theory in t...
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