Exam 5: The Nature of Life on Earth

A chemoheterotroph gets is energy from

How many different nucleotide bases are used in nucleic acids in life on Earth (consider both DNA and RNA)?

Endospores are

The Second Law of Thermodynamics states that

Different dog breeds have been bred by humans from a common ancestor over the past few thousand years. This is an example of

How is RNA different from DNA?

Polar Bears are scientifically classified as Ursus maritimus. In this system, the word maritimus refers to the

Lipids are more commonly known as

What do the cells of eukarya have that the cells of bacteria and archaea do no not?

Amino acids found in protein in life on Earth are

The process of converting a sequence of nucleotides in a section of DNA to a sequence of nucleotides in RNA, as a precursor to protein synthesis is called

What is the MOST important role that carbohydrates play in living organisms on Earth?

Evolutionary adaptations are related to changes that occur through time in

How many different amino acids make up the proteins found in life on Earth?

The different species of finches found on the Galapagos islands are evidence of Darwin's theory of natural selection because

According to Darwin, in the struggle for survival, those individuals whose traits best enable them to survive and reproduce will, on average, leave the largest number of offspring that in turn survive to reproduce. This is the basic idea behind his theory of

The complete set of genetic information that makes up an organism is known as a

The organisms in which domains of life are unicellular?

Which of the following is a trace element in the human body?

The most basic definition of life which takes account of the relative importance of the six fundamental properties of living things is that life is something that can