Topic 4 Test
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What is Biodiversity
The number and variety of different species in an area
What Makes a Biodiversity Hotspot
High amount of species diversity Many endemic species A lot of endangered species
How do Humans Impact Biodiversity
Humans can affect biodiversity by introducing non-native species to the ecosystem and producing CO2 causing climate change.
How do Humans can affect Biodiversity Hotspots
Habitat Fragmentation Urbanization Agricultural Expansion
What are the Components of Sustainability
Economic - Must be affordable Environmental - Must be good for the environment Social - Must support the needs of the future generation
What is the geologic time scale
Divisions based on geology and the fossil record
What are the four types of evolution, examples of them, and why they apply
Convergent - Whales and Whale Sharks. Both developed in water Divergent - Wolf descendants. Domesticated/breed for different tasks Parallel - Elephants. Evolved the same in different environments Coevolution - Butterflies and birds. different butterflies followed Monarch to not get eaten by birds
What is the evolution type based on a short period of time
Microevolution
What is the evolution type based on a long period of time
Macroevolution
What is a Cladogram
A cladogram is a model that shows relationships of different organisms and their ancestors but isn’t chronological
What is an evolutionary tree
An evolutionary tree is a model that shows different species and their ancestry in chronological order
What is the difference between a Evolutionary Tree and a Cladogram
A Cladogram shows relationships in species while an Evolutionary Tree isn’t, but is in chronological order.
What does an Evolutionary tree tell us
An Evolutionary Tree tells us related characteristics, ancestry, creation of new species, and extinction
What does a Cladogram tell us
Shows the relationship of organisms with common ancestors
What is the relationship shown in a Cladogram
An evolutionary relationship among different organisms