Which of the following statements about the effect of early organisms on Earth’s environment is true?

Sexual reproduction contributes to genetic diversity by allowing

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

Which of the following describes why the Miller-Urey theory is widely accepted today?

Which organisms are prokaryotes?

Some unicellular organisms are motile (have the ability to move) and some are nonmotile. Which cellular structures are associated with movement?

Which of these functions most like the “brain” of a cell?

What is one thing that is NEVER found in a prokaryotic cell?

Which of the following statements is accurate?

Which of the following best explains why a cell does NOT belong to Domain Bacteria?

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

Which statement supports the theory that chloroplasts evolved from cyanobacteria?

Paramecium reproduces sexually by

Animal-like protists are also called

Funguslike protists

Tiny hairlike structures on the outside of a cell are called

What is true about flagella and cilia?

In the Stanley Miller experiment what did the spark represent?

What did the Stanley Miller experiment make and why is that important to the beginning of life?

What did the Miller-Urey experiment represent?

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