| Levels of Classification | Plate tectonics | Dichotomous key | Plate boundaries | Pangaea |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
What is smallest group in the levels of classification?
What is smallest group in the levels of classification?
Species
What is the largest level of classification?
What is the largest level of classification?
Either Domain or Kingdom
What is the second largest level of classification?
What is the second largest level of classification?
Phylum
How many levels of classification are there?
How many levels of classification are there?
7
What two levels of classification do scientists use to name organisms?
What two levels of classification do scientists use to name organisms?
Genus and Species
What is plate tectonics?
What is plate tectonics?
The movement of pieces of the crust because of convection currents in the mantle.
What causes earthquakes?
What causes earthquakes?
Movement and pressure between transform boundaries that builds up and releases seismic waves.
What causes mountains?
What causes mountains?
Two plates converging at a convergent boundary that push against each other and move earth vertically.
What is sea floor spreading?
What is sea floor spreading?
New material comes up through a divergent boundary or crack in the crust and pushes older plate material farther away.
This is when material in the mantle heats up, rises, then cools and descends back into the mantle and the whole process starts over again.
This is when material in the mantle heats up, rises, then cools and descends back into the mantle and the whole process starts over again.
Convection current
What do scientists use dichotomous keys for?
What do scientists use dichotomous keys for?
To classify things
How many choices are there in each step of the dichotomous key?
How many choices are there in each step of the dichotomous key?
Two
What is one step you can make to classify these words:
Yes
Yolo
Unicorn
What is one step you can make to classify these words:
Yes
Yolo
Unicorn
Does it start with a Y?
Does it have more than three letters?
Does it end in a vowel?
Is this a dichotomous key?
Is this a dichotomous key?
Yes
In this branching diagram, which two organisms are most closely related?
In this branching diagram, which two organisms are most closely related?
Either primates and rodents & rabbits
or
Crocodiles and birds
What is a transform boundary?
What is a transform boundary?
When two plates are moving in opposite directions, lined up horizontally.
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What type of boundary is two plates moving away from each other in opposite directions?
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What type of boundary is two plates moving away from each other in opposite directions?
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A divergent boundary
What is a convergent boundary?
What is a convergent boundary?
When two plates collide and push against each other, moving towards each other.
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When an oceanic plate meets with a continental crust, what happens?
When an oceanic plate meets with a continental crust, what happens?
The oceanic plate subducts below the continental crust.
Subduction!
Because it is more dense.
What causes the three types of plate boundaries?
What causes the three types of plate boundaries?
Convection currents
Plate tectonics
What is a supercontinent?
What is a supercontinent?
When all the continents were connected together into one large plate of crust.
What does Pangaea mean?
What does Pangaea mean?
Whole Earth or All Earth
Who first proposed the idea of Pangaea?
Who first proposed the idea of Pangaea?
Alfred Wegener
What is continental drift?
What is continental drift?
When the continents drift apart due to shifting in the plate tectonics and convection currents over time.
What are two pieces of evidence that support the idea of Pangaea?
What are two pieces of evidence that support the idea of Pangaea?
1. Fossil evidence: fossils of creatures on opposite continents, tropical plant fossils found in Antartica, large seeds found on multiple continents
2. Geological evidence: rock formations similar on opposite continents
3. Physiological evidence: they look like a puzzle the fits together
How are plate tectonics and classification connected?
How are plate tectonics and classification connected?
Scientists use classification of fossils to identify the same species on multiple continents, which is evidence of Pangaea and continental drift caused by plate tectonics.
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