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Definition
True or false?
All living things are composed of at least two cells |
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| You take a trip to a national park and enjoy watching a herd of bison, a colony of prairie dogs, and a flock of birds on a grassland. Collectively, these organisms respresent |
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| A water sample from a hot spring with an extreme pH contained a single-celled organism that had DNA, but lacked a nucleus. To which Domain does it belong? |
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Definition
True or False?
Eukaryot cells are found in animals, bacteria are prokaryotic cells |
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Term
| Kingdom, phylum, class, order, family, genus, species |
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Definition
| In the Linnean system of classification, organisms of a domain can be grouped into 7 categories. Name them from most to least inclusive organisms |
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| Process by which different kinds of organisms are thought to have developed and diversified |
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Term
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Definition
True or False?
Natural selection and evolution lead to perfection of morphological adaptations |
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Term
| An individual's phenotype |
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Definition
| Which is the smallest unit upon which natural selection directly acts? |
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Term
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Definition
| The differential survival and reproduction of individuals within a population |
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Term
| Gradually or rapidly decline |
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Definition
| in a hypothetical world, every 25 years people over 6 feet tall are eliminated from the population. Based on your knowledge of natural selection, you would predict that the average height of the human population will... |
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Term
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Definition
| sexual dimorphism is often the result of |
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Definition
| The frequency of a particular allele (variant of a gene) present in a small, isolated population of alpine plants decreases due to a landslide. As a result of the landslide, even fewer plants bearing this allele remain. Identify what has ocurred |
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Term
| hooves, toes, and enameloid folds |
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Definition
| What morphological characteristics have coevolved with the evolution of grasslands? |
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Definition
| The biological species concept is inadequate for grouping what group of organisms? |
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Definition
| Which species concept defines a species as a set of organisms representing a speceific evolutionary lineage? |
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Definition
| Two closely related frogs can't mate because the male species are too small to grab hold of the emales of the other species and their sex organs are not compatible. This is an example of which type of prezygotic isolating mechanism? |
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Term
| A postzygotic barrier called hybrid inviability |
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Definition
| Two species of birds belonging to the same genus occasionally mate, but the offspring fail to develop properly and they die before hatching. What is the mechanism keeping the two bird species separate? |
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Term
| An island with high biological diversity where there are organisms occupying all available niches |
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Definition
| adaptive radiation will not work in which type of environment |
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Term
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Definition
| the appearance of new species in the midst of old ones |
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Term
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Definition
| A rapid method of speciation that has been important in the history of glowering plants is |
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Term
| concept of punctuated equilibrium |
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Definition
| a new species accumulates most of its unique features as it comes into existence, this concept is |
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Term
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Definition
| The bluegill sunfish represents an example of a unique adaptive strategy to ensure reproductive success, this strategy was referred to as... |
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Term
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Definition
| easy to applly to all present sexually reproducing organisms, but harder to apply to asexual organiss and fossils |
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Term
| organism colonizes an isolated area that is habitable but relatively devoid of life |
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Definition
| what situation would tend to promote adaptive radiation? |
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Definition
| One of the most spectacular examples of adaptive radiation is known froma group of over 1000 species. What is one species that represents explosive radiation? |
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Definition
| Regardinig bluegill sunifsh, sperm density should be higher in ______ males than some other strategies studied |
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Definition
| A gene in an organism that is duplicated to occupy two different positions in the same genome are examples of |
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Definition
| If the half-life of carbon-14 is about 5,730 years, then a fossil that has one-half the normal proportion of carbon-14 to its daughter isotope should be about how many years old? |
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Term
| Choose a tree with the fewest organisms |
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Definition
| How would one apply the principle of parsimony to the construction of a phylogenetic tree? |
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Term
| having a reliable rate of change |
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Definition
| The most important feature that permits a gene to act as a molecular clock is |
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Definition
| The occurrence of chloroplasts in eukaryotic cells is an example of |
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Definition
| Genes in different species that derive from a common ancestor, and generally share the same function are examples of |
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Definition
| what would pair with a bat wing as a good example of a homologus structure? |
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Definition
| a tree can be found that reflects the most likely sequence of evolutionary events using the idea of equal rates of evolutionary change among glades. this concept is best identified as |
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Term
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Definition
| protists are alike in that all are |
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Term
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Definition
| in the body of animals, such as humans, which cells are haploid |
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Term
| multicellular diploid forms |
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Definition
| In life cycles with an alternation of generations, multicellular haploid forms alternate with |
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Definition
| True or False. All sexual life cycles are represented in protists |
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Definition
| which of the following was not one of the causes for the decline in biodiversitiy that Dr. Wilson included in his acronym HIPPO |
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Definition
| How long did it take for the earth to recover after the mass extinction of the dinosaurs according to Dr. Wilson? |
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