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Description
Flashcards by maryam parveen, updated more than 1 year ago
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Created by maryam parveen
over 7 years ago
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| Question | Answer |
| What is species? | A species is the smallest unit of biological classification. |
| What do you have to look for to determine a species? | This is not always easy to observe in nature, so it also important to look at structual,enogical and DNA evidence to determine species. |
| What are hybrids? | Offspring of different species are called hybrids. |
| Why is it that offspring of different species cannot interbreed to produce fertile offspring? | Usually individuals of different species cannot interbreed to produce fertile offspring. |
| What problems do hybrids normally have? | Hybrids often have health problems or are infertile. |
| Give an examples of hybridisation in animals? | 1-From a taxonomic perspective, hybrid refers to. 2-Conspicuous hybrids are popularly named with portmanteau words. |
| What is taxonomy? | The branch of science concerned with classification, especially of organisms; systematics. |
| What is Linnaeus classification? | Carolus Linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. One of his contributions was the development of a hierarchical system of classification of nature |
| What is morphology? | A particular form, shape, or structure. |
| What is evolution? | The process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth |
| What is a generation? | All of the people born and living at about the same time, regarded collectively. |
| What is beogeography? | The branch of biology that deals with the geographical distribution of plants and animals. |
| What is artificial selection? | Artificial selection is the intentional reproduction of individuals in a population that have desirable traits. |
| What is breeding? | Is the reproduction that is producing of offspring, usually animals or plants. |
| Dog breeding: | Is the practice of mating selected dogs with the intent to maintain or produce specific qualities and characteristics. |
| Cat breeding: | If cat bred early, she will put her energy into feeding the unborn/newborn kittens instead of finishing her growth. She will be 18-24 months old before she is ready for breeding. |
| What is crossbreeding? | Produce (an animal or plant) by mating or hybridizing two different species, breeds, or varieties. |
| What is selective breeding? | Is a process used by humans to develop new organisms with desirable characteristics. |
| What are traits? | A distinguishing quality or characteristic, typically one belonging to a person. |
| What are alleles? | Each of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome. |
| What is a dominant trait? | If one parent contributes a gene for dark hair and the other contributes a gene for light hair, the child will have dark hair. |
| What is a recessive trait? | recessive trait can be carried in a person's genes without appearing in that person. |
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