Exam 12: Evidence of Evolution

In his voyage around the world in the Beagle , what observation did Darwin make about animals?

Individuals with adaptive traits tend to survive longer and produce more offspring, leading to ___ of the species.

What is an asteroid?

The discovery of immense ridges and trenches stretching thousands of kilometers across the seafloor in the 1950's led to acceptance of the theory of ____.

The study of the body structures of the ostrich, emu, and rhea shown here is an example of ____.

An example of morphological divergence is the wing of a bat and the ____.

The time it takes for half of the atoms in a radioisotope sample to decay is called the ____.

Fossils older than ____ cannot be dated by their ¹⁴C content because ____.

Which genes guide the formation of specific body parts during embryonic development?

Variations in the timing of master gene expression during embryonic development in vertebrates are responsible for ____.

An asteroid impact on Earth is often associated with the formation of ____.

Which condition favors fossilization?

Which type of fossil is considered a trace fossil?

The similar body shape and color of dolphins and sharks is an example of ____.

Aristotle's ideas on the natural world greatly influenced ____, who believed that the "great chain of being" extended from ____.

Darwin incorporated Malthus ' idea that _____ into his theory of evolution.

Finding an abundance of iridium in the K-Pg boundary sequence worldwide pointed to evidence that this layer was of ____ origin.

Which types of fossils are we most likely to find?

The theory of continental movement is called ____.