History of Life

What two hypotheses explain the evolution of organelles in a eukaryotic cell?

• Endosymbiosis

• Horizontal gene transfer theory

• Autogenous theory

• Lerman's bubble theory

• Protenoid theory

Which theory of organelle evolution best explains the evolution of mitochondria?

• Endosymbiosis

• Autogenous theory

• Horizontal gene transfer theory

• Lerman's bubble theory

• Lipid membrane hypothesis

Which theory of organelle evolution best explains the evolution of chloroplasts?

• Endosymbiosis

• Autogenous theory

• Horizontal gene transfer theory

• Lerman's bubble theory

• Lipid membrane hypothesis

Which theory of organelle evolution best explains the evolution of the endoplasmic reticulum?

• Endosymbiosis

• Autogenous theory

• Horizontal gene transfer theory

• Lerman's bubble theory

• Lipid membrane hypothesis

Which theory of organelle evolution best explains the evolution of the goligi bodies?

• Endosymbiosis

• Autogenous theory

• Horizontal gene transfer theory

• Lerman's bubble theory

• Lipid membrane hypothesis

Horizontal gene transfer theory is also known as..

What do early eukaryotic cells, prokaryotic cells, and mitochondria have in common?

• They all have ribosomes

• They all have chloroplasts

• They all have cell walls

• They reproduce asexually

• They all form lipid bilayers

Using comparative data, such as an index fossil, to find the approximate age of a fossil

• Relative Dating

• Radiometric Dating

• Geological Time Scale

• Autogenous Dating

Way to determine the age of fossils by using radioactie isotopes

• Relative Dating

• Radiometric Dating

• Geological Time Scale

• Autogenous Dating

When using radiometric dating, the period of time that it takes for half of the radioactive isotope to decay is called its

• quarter-life
• full-life
• half-life
• decay-life