Exam 5: The Nature of Life on Earth

Emperor penguins are part of the species forsteri and genus aptenodytes. Given this, their scientific classification would be written

Which of the following observations is consistent with the hypothesis that all life on Earth has a common ancestor?

Scientists cannot agree on whether viruses are living or not because

Which is the MOST important property of the element carbon that makes it ideal as a fundamental building block of biological molecules?

One of the most remarkable discoveries by biologists over recent decades is that life can

DNA is copied via a process called

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

Bacteria reproduce by the process of cell division. This kind of reproduction is referred to as

The bond between carbon atoms in the molecule ethylene, H₂C=CH₂ is referred to as

Organisms that are found living close to volcanic vents on the ocean floor are referred to as

Which domains of life consist entirely or microbes?

Good examples of a multicellular organisms which can exist under an enormous range of conditions are

Which domains of life are closely related to each other?

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

The walls of cells are referred to by biologists as

Perhaps the most fundamental role that enzymes play in living cells is

The bond between carbon atoms in the molecule acetylene, HC=CH is referred to as

The basic biological structures of life on Earth are called

A chemoheterotroph gets is energy from

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