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7A Evolution Review

QuestionAnswer
What is evolution? Change in gene distribution (alleles) in a population over time
What did Darwin notice about the finches in the Galapagos? Their beaks perfectly matched the food they were eating
What do we call natural differences in traits among members of the same species? Variations
What is mimicry? When one species adapts to their environment by looking like another species
Why is camouflage effective? Because if you are blending in with your environment then you will be more likely to survive and reproduce. (Evade predators, etc)
What is natural selection? The process by which individuals that are most suited to their environment are more successful at surviving and creating offspring
What are some things that individuals might compete for? food, water, shelter, mates, sun (plants)
What do we call it when a species routinely produces more offspring that it can reasonably expect to survive to adulthood? Overproduction
What is the difference between natural and artificial selection? In artificial selection HUMANS decide what traits to allow to continue/reproduce.
What do we call any evidence that an organism lived long ago? A fossil
If you are looking at a column of rock with fossils in multiple layers, what is true about a fossil found in the top layer of rock? It's the youngest
These have the same structure but very different functions. They indicate a COMMON ANCESTOR. Homologous Structures
The embryos of a fish, reptile, bird, and humans are extremely similar in their earliest stages. This is evidence of a COMMON ANCESTOR
What is taxonomy? The classification of living things
Name the 8 levels of classification from the largest to the smallest. DOMAIN, KINGDOM, PHYLUM, CLASS, ORDER, FAMILY, GENUS, AND SPECIES
What is meant by the term "binomial nomenclature"? It means two term naming. We use genus and species
Write our scientific name correctly. Homo sapiens. This program doesn't allow italics or underlining. The scientific name should either be italicized, underlined or both. Notice the genus starts with an uppercase and the species starts with a lowercase letter.
Are human beings, as a species, still evolving? Of course!
Can individuals evolve? No, you are born with a set of genes and you die with these same genes.
If you are looking at a rock that contains a fossil, what type of rock are you likely to be looking at? Sedimentary Rock
Created by: cwalczak
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