The Origin of Life, Prokaryotes, and Protists

Match it! Select the correct answer from the pull down...Good luck!

Fossils that can be used to establish relative dates are most likely to be found in _____.

Which of these groups includes unicellular organisms that, due to the structure of their cell walls, can withstand pressures equal to the pressure under each leg of a table supporting an elephant?

Biologists are interested in the role of liposomes in the origin of life. They think that liposomes might show how _____.

A type of ecological relationship called _____ involves one organism living at the expense of another organism.

The fauna and flora of Australia are very different from those of the rest of the world. Why might this be true?

A radioactive isotope has a half-life of 1.2 billion years. As measured by the presence of the isotope and its stable decay product, a rock originally contained 10 grams of the radioactive isotope, and now contains 1.25 grams. Approximately how many

The early atmosphere on Earth is thought to have lacked which one of the following gases?

Which statement below is not an explanation of how deep-sea vents may have been important factors in the origin of life?