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SCI 8 Unit 7 - Pt 1
Evolutionary History
Question | Answer |
---|---|
What vocabulary word is the process by which one population evolves into two or more different species? | Speciation |
What vocabulary word is a part of an organism (for example, one or more bones)? | Body Structure |
What vocabulary word is a more recent species that evolved from an ancestor population? | Descendant Species |
What vocabulary word is a body structure in two or more species that features the same parts (for example, the same bones)? | Shared Structure |
What vocabulary word is an older population from which two or more newer species descended? | Common Ancestor Population |
What vocabulary word is the process by which species adapt to environmental changes over a very long time)? | Evolution |
What vocabulary word is a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group? | Species |
What vocabulary word is the very long time that spans the history of Earth, from the very first cellular life to the present? | Evolutionary Time |
What vocabulary word is when something stays mostly the same over time? | Stability |
Fill in the blanks: Species inherit their body ____________ from their ancestor populations. | Structures |
Fill in the blanks: Body structures that are shared between two species are evidence that these two species inherited the shared ____________ from a ____________ ____________ population. | Structures ; Common Ancestor |
Fill in the blank: Larger changes to body structures in organisms take __________ smaller changes. A.) The same amount of time as B.) Less time than C.) More time than | C: More time than |