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Q 1/24
Score 0
The gradual change in a species over time
30
Evolution
Q 2/24
Score 0
Earth's first era that began 4.6 billion years ago that includes creation of the Sun, Earth, the atmosphere, oceans and life
30
Precambrian Era
24 questions
Q.
The gradual change in a species over time
1
30 sec
Q.
Earth's first era that began 4.6 billion years ago that includes creation of the Sun, Earth, the atmosphere, oceans and life
2
30 sec
Q.
the part of geologic time 570-245 million years ago ; invertebrates, fishes, amphibians, reptiles, ferns, and cone-bearing trees were dominant
3
30 sec
Q.
middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs, rise of flowering plants
4
30 sec
Q.
era that began about 66 million years ago, known as the "Age of Mammals"
5
30 sec
Q.
Diversification of species during the paleozoic era
6
30 sec
Q.
remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species.
7
30 sec
Q.
Structures in different species that are similar because of common ancestry.
8
30 sec
Q.
extinction at the end of the Paleozoic Period; the biggest mass extinction the world has ever seen
9
30 sec
Q.
A supercontinent containing all of Earth's land that existed about 225 million years ago.
10
30 sec
Q.
English natural scientist who formulated a theory of evolution by natural selection (1809-1882)
11
30 sec
Q.
A record of the geologic events and life forms in Earth's history.
12
30 sec
Q.
first organisms on earth
13
30 sec
Q.
Showed that meat left out did not create life in the form of maggots
14
30 sec
Q.
A group of similar organisms that can breed and produce fertile offspring.
15
30 sec
Q.
Layer between rocks of the Crestaceous Period and the rocks of the Paleogene period - provides or shows evidence of a meteorite impact.
16
30 sec
Q.
A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
17
30 sec
Q.
a change of the sequence of a DNA molecule
18
30 sec
Q.
movement of alleles from one population to another
19
30 sec
Q.
random change in allele frequencies that occurs in small populations
20
30 sec
Q.
Selection by humans for breeding of useful traits from the natural variation among different organisms
21
30 sec
Q.
A trait that helps an organism survive and reproduce
22
30 sec
Q.
a branching diagram showing the relatedness between a number of species.
23
30 sec
Q.
the formation of new and distinct species in the course of evolution.
