Unit 5 Bronze
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What is paleobotany?
Study of ancient plants Involves searching for the earliest evidence of life in rocks more than 3 billion years old. (Branched from paleontology, the study of ancient plants, animals, and other organisms)
Explain how paleobotanists interpret the Earth’s history
Interpret the earth’s history by examining plant fossils.
Explain how paleobotanists can describe the type of climate that existed millions of years ago
Paleobotanists study the features that plants have developed to survive in their environment. These scientists are thus able to describe the type of climate that existed millions of years ago
What is the Quaternary Period best known for?
It’s Little Ice age
The Holocene Epoch started 11,500 years ago. Describe what the climate was like in the early Holocene Epoch.
Warmer climate Overall warmer than the present
How long did the Little Ice Age last and when did it end?
Lasted several hundred years and ended in the 1800’s
Does the Earth have natural warm and cool periods?
Yes, does have natural warm and cool periods, a example of this is the Quaternary period (which was cold) and the Holocene Epoch period (which was warmer)
What is a temperature anomaly?
A temperature that is different from the average temperature
When was the CO2 concentration the greatest? When was it the lowest?
2022-greatest 1959-lowest Increases
What overall relationship do you see between CO2 and temperature?
As CO2 increases, the earth’s temperature increases As one is going up the other goes up
What are some ways that CO2 is released into the air?
Fires, Driving vehicles, Using electricity, burning of coal Breathing out (Respiration) Burning of fossil fuels Metabolism
What pattern do you see in the data?
Consistent rise in co2, but it consistently goes up and down throughout the year
How do you explain the pattern?
Plants are conducting photosynthesis more during the summer months then winter months. Therefore, there is more carbon dioxide
Describe an edge community
A floral community with different vegetation structure and composition than the two adjoining habitats whose common border was its creation Group of Species that live where 2 habitats meet. Part time in meadow partly in forest
How would succession be different in other biomes
In another biome, like a coral reef, there would be a build up of coral on top of one another, eventually giving way to support more consumers
What biomes is represented in the activity? Defend your answer
Temperate forest biome The type of plants
Explain why the same consumers don’t live in each level
Each type of consumer needs certain requirements/resources to live in a biome. Therefore, not every habitat’s different level of succession can support the same consumers. As a new succession occurs, there is more space to support different consumers Certain consumers want certain producers. As the producers are changing in each , the consumers are changing