12781168
Description
Flashcards by zahraa almaialy, updated more than 1 year ago
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Created by zahraa almaialy
over 6 years ago
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| Question | Answer |
| What is a species? | A species is the smallest unit of biological classification |
| What is important to look at when it comes to the determination of species? | It is important to look at structural, ecological and DNA evidence |
| Why are species genetically incompatible? | Because of important differences in their DNA or chromosome structure and number. |
| Definition of Hybrids | When two different species interbreed |
| Scientists say that hybrids hybridize. Define hybridization | The process of creating hybrids is hybridization |
| What is an example of an animal hybridization? | A male lion and a female tiger to produce a liger |
| What is considered one of the oldest professions in the world? | Taxomy |
| Horses and donkeys can (BLANK) to produce (BLANK) offspring | Horses and donkeys can (interbreed) to produce (hybrid) offspring |
| What is the Linnaean classification? | Revolutionized taxomy by creating the biological classification system that we still use today |
| The Linnaean system of classification groups organisms into the categories: ??????? | Kingdom, Phylum, Class, Order, Family, Genus and Species |
| What is the idea behind evolution? | The idea behind evolution was that a species can change over many generations, resulting in the formation of new species |
| Why are horses and donkeys considered to be separate species? | Because the hybrid offspring are infertile |
| How did scientists see evolution? | Many scientists saw evolution as an improvement of species, resulting in increasingly more complex species, with humans as the most complex. |
| What is artificial selection? | Artificial selection is the process by which we choose to breed particular organisms with desirable features. |
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