Which types of organisms developed first due to the early environmental conditions on Earth? 

Which of the following was presumably absent from Earth Early atmosphere based on the conditions present at the time?

The Miller-Urey experiment of 1953 was designed to test the hypothesis that lightning supplied the energy needed to turn atmospheric gases into organic molecules such as amino acids. Which of the following describes why the Miller-Urey theory is widely accepted today?

The diagram shows a proposed theory of the origin of eukaryotic cells, called endosymbiosis.

Which of the following explains why cells that contained mitochondria-like organelles had an evolutionary advantage?

These scientists proved that organic molecules formed from inorganic molecules present in the Earth’s early atmosphere when given energy from lightening.

Mitochondria and chloroplasts are thought to be ________________________ cells engulfed by a larger one.

What was formed in the Miller-Urey experiments?

How are mitochondria and chloroplasts like bacteria cells?

The image provided represents the following experiment to test Earth Early Atmosphere...

One of the accepted scientific theories describing the origin of life on Earth is known as chemical evolution. According to this theory, which of the following events would need to occur first for life to evolve?