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ransom 8th - ch 8/9
question | answer |
---|---|
Who came up with the idea of Pangea? | Alfred Wegener |
Scientist who look for clues to reconstruct what happened in the past are called | Paleontologist |
What are the three evidences of Pangea? | Shapes of continents; fossils; glaciers...elaborate more on these |
Name two methods scientists use to determine the age of fossils and tell what makes them different. | Absolute and relative dating. Look up differences |
The ______ is a calendar scientists use to outline the history of life on Earth | Geoogical Time Scale |
The end of each ______ is marked by _______ | Era, extinction |
The period in the geologic time scale beginning when Earth orginated is _______time | precambrian |
The era 65 million years ago to today is known as the _____ era | cenozoic |
______ ______ such as chemicals, water, clay, dissolved minerals, in oceans and gases in atmosphere formed life. | Non-living matter |
Fossils in the Paleozoic era | sponges |
How many years ago did humans' ancestors start living? | 4 million years ago |
How do scientists think dinosaurs died? | A big metorite |
At the end of the palezoic era, what started to appear? | dragonflies, winged insects, reptiles and cockroaches |
What species quietly went extinct? | neanderthals |
Where was the group of australopitheecines? | Southern Africa |
____________ was like a present day humun with bigger heavier bones. | Cro Magnon |
A paleoantropologist discovered ________ in Tanzania | australopithecines' footprints |
There are ____ animal kingdoms. | 5 |
All organisms have a _____ part scientific name. | 2 |
What did Carolus Linnaeus find? | taxonomy |
The first and second part of a scientific name identifies... | genus and species |
Describe the first and last levels of classification, kingdom and species. | kingdom contains all organisms of a certain type; species contains one animal with certain characteristics. |
What does the dichotomous key do? | It classifies all organisms into groups |
Archaebacteria and eubacteria are | prokaryotes |
Members of the Kingdom Protista are | single-celled |
Most bacteria are classified in which kingdom? | eubacteria |
What kind of organisms live in hot springs or other extreme environments? | archaebacteria |
Which kingdom do humans belong to? What characteristics place humans here? | Animalia...look up the characteristics |
Name the six kingdoms. | Protista, Archaebacteria, eubacteria, plantae, fungi, animalia |