Evolution
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| fossil | the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock
🗑
|
||||
| evolution | process in which organsims change gradually over thousands or millions of years
🗑
|
||||
| species | group of closely related organisms that can mate to produce fertile offspring
🗑
|
||||
| homologous_structure | similar structures that related species have inherited from a common ancestor
🗑
|
||||
| adaptation | trait that changes over time and improves an organisim's ability to survive and reporduce
🗑
|
||||
| relative_dating | method of estimating the age of fossils based on their position in layers of sedimentary rock in relation to one another
🗑
|
||||
| scientific_theory | an explanation that ties together many tests and observations - scientists agree on conclusions
🗑
|
||||
| variations | differences between members of the same species
🗑
|
||||
| sedimentary_rock | rock that is formed from layers of sediment over time
🗑
|
||||
| extinct | a species that no longer has any living members
🗑
|
||||
| natural_selection | process by which individuals that are better adapted to their environment survive and reproduce
🗑
|
||||
| fossil_record | a historical sequence of life indicated by fossils found in the earth's crust
🗑
|
||||
| absolute_dating | method of measuring the actual age of an event or object in years
🗑
|
||||
| fertile | can produce an offspring
🗑
|
||||
| sterile | unable to reproduce
🗑
|
||||
| branching tree | diagram that shows how scientists think different groups of organisms are related; cladogram; phylogenic tree
🗑
|
||||
| Galapagos_Islands | where Darwin observed a variety of species and proposed a theory of biological evolution
🗑
|
||||
| overproduction | a species creates more offspring than can survive; those who are better able to survive then pass on their genes to their offspring.
🗑
|
||||
| infer | to reach a conclusion by making observations and using background knowledge
🗑
|
||||
| speciation | formation of a new species due to evolution
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
glennjonesms
Popular Science sets