- Relative fitness measures ________ in relation to others of the same population.the actual contribution of offspring to the next generationthe potential contribution of offspring to the next generationthe actual performance and traits of offspring
- Scientists use shared biological components such as ribosomes to determine relationships among ________.
- Natural selection is ________.based on present environmental conditionsconstant and unchangingthe process that causes genetic mutations
- Natural selection _________.is unidirectionalis directed to an end goalmakes it possible for some individuals to thrive
- 5-ASA is orally almost completely absorbed into the
- tx for esophageal vatical bleeding and diverticular bleeding
- A species is the _____ taxonomic category.
- 8) Which one of the following is NOT an anterior pituitary hormone: A) prolactin B) antidiuretic hormone C) follicle-stimulating hormone D) adrenocorticotropic hormone E) luteinizing hormone
- One of the foundational concepts of ________ was an essay on human economic pressures.
- According to ________, increased reproductive success is based on traits favored by a particular environment.sexual selectionevolutionnatural selection
- Based on Charles Darwin's observations in the Galapagos Islands, why did tortoises in the Galapagos Islands have longer necks than tortoises in dry lowlands? Choose the best answer.Those with long necks could reach more leaves and access more food than those with short necks.The trait was randomly selected by chance.Longer necks promoted more prolific mating and populations growth.genetic variationIn order for organisms to ch
- Evolution is fundamentally a ________.change in biological habitatschange in the environment that cause genetic changeschange in gene variation over time
- Species are organized on phylogenetic trees based on their ________ similarities and differences.
- Mutations in organisms ____ increase fitness. Mutations also _____ decrease fitness.can, can neveralways
- One of the principles of ________ is that organisms will compete for resourcesevolutionsexual selectionnatural selection
- During ________, populations change over time.adaptationevolutionmutation
- Based on Charles Darwin's observations in the Galapagos Islands, why did the variety finches have different types of beaks? Choose the best answer.
- An unrooted phylogenetic tree ________.shows relationships but not lineage between species.does not show relationships between specieshas a single lineage at the base
- The ability of an individual to contribute to the gene pool of the next generation is an organism's ________ fitness.absoluterelativeevolutionary
- Which of the following is an example of directional selection?a mouse population that is originally white in color becoming darker in color after several generationsa moth population that is originally grey gradually dividing into discrete white and black populations over several generationsa flower population that originally ranges from white to red becoming mostly pink over several generations