Unit 6: Evolution & Natural Selection

The idea that horses evolved suddenly over a short period of time then showed little change

As an environment changes and some organisms have a higher fitness than others, natural selection acts directly on

Hind LEG bones in a whale are

Overuse of pesticides leads to _____ in insects.

Example of a vestigial structure?

Humans and gorillas have one different amino acid in their hemoglobin, what does this say about their evolution?

The different shapes of Galapagos finch beaks results from

Frequency of a trait in a population showing little change in allele frequency over many generations is experiencing

According to principles of natural selection, populationss can adapt and survive disease epidemics due to

Overuse of antibiotics leads to resistance in bacteria.

Which of the following is NOT an example of evidence of evolution?

NOT evidence that life arose from a common ancestor?

Role of genetic mutations in evolution?

In natural selection, the selective agent is/are

A major element of natural selection is that all species have genetic

Species evolving at a slow and constant rate

Light colored rock pocket mice populations on dark surfaces were not camouflaged well and suffered predation due to

Kit fox and red fox cannot produce offspring but look similar are examples of ______ evolution.

Using excavated fossils from different rock layers can be used to determine the approximate or ___ __ of the samples.

Two different horses are members of the same genus and species

In terms of evolution, your success in life is determined by

Beak types of different Galapagos finch species are examples of

The structures show below are examples of

Biological molecule would not offer much information about the history of life?

Which in NOT a mechanism by which evolution occurs?

During an ice age, natural selection would favor organisms that

NOT used to determine relationship between organisms

A population of species is geographically separated, over time the two populations will

What is an effect of adaptive radiation?

The broadest category in the hierarchy of classification?

An idea that is well tested and supported by a lot of evidence is called a

Not an example of evolution?

Which one is NOT a principle of natural selection?

These analogous structures

Theory of ____ is the idea that eukaryotic cells are descendants of aerobic prokaryotic cells.

Best description of organisms most fit to survive?

A large decrease in the number of different alleles in a population's gene pool

Individuals that are well adapted to their environment will survive and produce

What evidence supports the idea that the layers are from one continent?

Farmers use ____ ____ to produce the best milk cows and plant crops.

Butterfly and bird wings are used for flight but have a different structure. These are ________ structures.

Not a principle of natural selection

Evidence of speciation?

Birds & insects are thought to be distant relatives because have

Scientific study of how organsims develop from an egg into an independent organism