23-24 Natural Selection, Adaptation, Evolution Unit Test
Quiz by Deeann Slinker-Phelps
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50 questions
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- Q11. Which of these best illustrates natural selection?C. A community whose members work together utilizes all existing resources and migratory routes.D. The largest organisms in a species receive the only breeding opportunities.B. A population monopolizes all of the resources in its habitat, forcing other species to migrate.A. An organism with favorable genetic variations will tend to survive and breed successfully.30s
- Q22. Which statement best describes natural selection?D. Organisms were bred by humans to develop traitsA. Living organisms develop from other living things.B. Acquired characteristics are inherited from parent to offspring.C. Organisms adapted to their environment can survive and pass traits to offspring.30s
- Q33. Over time, new species have evolved while others have become extinct. Which of the following most likely supports how giraffes evolved long necks?A. More long-necked giraffes survived to pass on their genes.B. More short-necked giraffes survived to pass on their genes.C. Short-necked giraffes modified their diets to evolve into a new species.D. Short-necked giraffes grew longer necks to reach higher leaves.30s
- Q44. How is natural selection in the evolution of long necks in giraffes best explained?B. Giraffe necks grew longer because of the bone structure of the animalsC. Giraffes with longer necks survived because they were better suited to the environmentA. Shorter-necked giraffes were killed by long-necked giraffesD. Long-necked giraffes mated only with other long-necked giraffes30s
- Q55. Rainfall in a tropical region is below average for 10 consecutive years. Insect species adapted for dry conditions are much more plentiful at the end of the 10 years. Which of the following statements best explains the increase in the population of these insects?B. Insects with a high tolerance for dry conditions have migrated out of the region.D. Natural selection has selected against insect species that are adapted for dry conditions.A. Biodiversity in the region has increased due to the dry conditions.C. Natural selection has favored insect species with a high tolerance for dry conditions.30s
- Q66. A species of finch has been studied on one of the geographically isolated Galapagos Islands for many years. Since the island is small, the lineage of every bird for several generations is known. This allows a family tree of each bird to be developed. Some family groups have survived and others have died out. The groups that survive probably haveD. Been attacked by more predators.C. Found new places on the island to live.A. Interbred with other species.B. Inherited some advantageous variations.30s
- Q77. A population of termites initially consists of darkly colored and brightly colored members. After several generations, the termite population consists almost entirely of darkly colored members because the brightly colored termites are easier for a predatory species of insectivores to locate. This situation is an example ofC. Artificial selection.D. Adaptive radiation.B. Natural selection.A. The evolution of a new species.30s
- Q88. The arctic fox and gray wolf are two examples of animals that change the color of their fur with the seasons. IN the summer, the animals are a brownish color, and in the winter, they turn white. The change of color helps the animals to survive. Which of the following provides the best explanation for this change?C. The color change helps them regulate their body temperature better.B. The color change helps them raise their young.A. The color change helps protect them from predators.D. The color change helps them be seen from a great distance.30s
- Q99. The Venus flytrap plant lives in soil with a few nutrients. The plant absorbs nutrients by trapping insects inside its leaves. The ability of the Venus flytrap to trap insects is an example of which of the following?A. AdaptationB. ParasitismD. CompetitionC. Cooperation30s
- Q1010. C. reinhardtii is a species of unicellular green algae that primarily produces energy for growth through photosynthesis. However, when necessary, they can also produce energy from a carbon source, which allows them to grow in total darkness. A scientist grows a population of this algae in the dark and finds that after 600 generations, the algae population now grows better in the dark than in the light. Which statement best explains what has happened to the cells in the algae population?D. They evolved into a different species that can grow only in the dark.C. They became contaminated with a species of algae that grow only in the dark.A. The cells that were better adapted to growing in the dark reproduced more.B. The cells that were better adapted to growing in the light got smaller in size.30s
- Q1111. Students studying a moth population in the woods in Kentucky found the distribution of moth wing color shown in the graph below. The woods contained trees with bark that was mostly black. Two years later a fungus attacked nearly all of the trees in the woods and the tree bark changed from black to patches of gray and white. Which graph shows the probable distribution of moth wing color within the next few years?30s
- Q1212. A lizard species mostly eats fruit from one particular type of tree. If a virus kills most of these trees, which individual lizards will most likely survive?D. Lizards that produce more offspringA. Lizards that can climb higher in the fruit treesC. Lizards that can find other types of foodB. Lizards that have darker coloration30s
- Q1313. Which adaptation prevents armadillos from being eaten by predators?B. Sharp curved clawsC. Hard outer coveringA. Large wingsD. Long legs30s
- Q1414. Which bird's foot below is best for grasping prey?BDCA30s
- Q1515. The picture below shows a flower with a long slender bloom. The size and shape of a bird's beak are related to the type of food that the bird eats. Which of the following beaks is suitable for drinking nectar located deep within flowers such as the one shown?30s
