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7th Grade Science Formative Assessment #5 Multiple Choice Directions: Identify the choice that best completes the statement or answers the question. SC.6.L.15.1 1. The illustration below shows a system that Shelby developed to classify different animals. Based on the information provided, which of the following best describes how Shelby placed the animals into each category? A. B. C. D. Animals were classified according to their structural features. Animals were classified according to their behavioral features. Animals were classified according to their genetic relationships. Animals were classified according to the locations of their habitats. SC.6.L.15.1 2. Individual organisms can be sorted into different kingdoms based on their characteristics. Pictures of six organisms that belong to four kingdoms are shown below. Which of the statements correctly assigns the organisms, shown in the picture, to the correct kingdom? A. B. C. D. Moss – Animalia, Sea Star – Plantae, and Mushroom – Protista Spider – Animalia, Fern – Plantae, and Mushroom – Fungi Sea Star – Animalia, Fern – Fungi, and Amoeba - Protista Spider – Animalia, Moss – Plantae, and Fern – Protista School Board of Broward County (revised 8/2015) Page 1 of 6 SC.6.L.15.1 3. The table below shows the classification of three different sea lions. California Sea Lion Galapagos Sea Lion New Zealand Sea Lion Kingdom Animalia Animalia Animalia Phylum Chordata Chordata Chordata Class Mammalia Mammalia Mammalia Order Carnivora Carnivora Carnivora Family Otariidae Otariidae Otariidae Genus Zalophus Zalophus Phocarctos Species californianus wollebaeki hookeri Which statement best explains why two of the sea lions are more closely related? A. California Sea Lion and Galapagos Sea Lion because they belong to the same Kingdom and Phylum. B. New Zealand Sea Lion and California Sea Lion because they belong to the same Genus and Species. C. Galapagos Sea Lion and New Zealand Sea Lion because they belong to the same Class and Order. D. California Sea Lion and Galapagos Sea Lion because they belong to the same Family and Genus. SC.7.L.15.2 4. A tree frog population lives in the canopy of a tropical rain forest. In this tree frog population, a mutation occurs that results in a new allele for skin coloration causing stripes on their legs. Which of the following factors has the greatest effect on whether leg stripes will become more common in the tree frog population? A. B. C. D. If the reproduction rate of the tree frog population remains constant over time. If the new allele for stripes is presented more in females in the tree frog population. If the new allele for stripes increases the survival of the tree frogs in their environment. If enough food and water are available in the rain forest canopy for the tree frog population. School Board of Broward County (revised 8/2015) Page 2 of 6 SC.7.L.15.2 5. Wolves that live in snowy climates often prey on rabbits. Some rabbits can move quickly across deep snow because they have large feet that don’t sink into the snow. Rabbits without this adaptation move more slowly across the snow. Which statement best justifies how the rabbit population changes over time. A. The rabbit population with smaller feet will increase because they have a positive adaptation. B. The rabbit population with larger feet will decrease because they have a negative adaptation. C. The rabbit population with larger feet will increase because natural selection has favored this genetic change. D. The rabbit population with smaller feet will become extinct because natural selection has favored this genetic change. SC.7.L.15.2 6. On a small isolated island, there is a single species of seed-eating birds. Individual birds are able to eat seeds that are within 2 mm (larger or smaller) than their beak depth. The distribution of individuals is shown in the figure below. A long drought caused the plant species that produced seeds between 3 - 9 mm in size to go extinct. What does the Theory of Natural Selection predict will most likely happen to the population of seed-eating birds over time? A. It will permanently shrink to approximately 25% of its current size. B. It will go extinct because there aren’t enough seeds to support all of the individuals. C. It will diverge into two species: one that eats small seeds and one that eats large seeds. School Board of Broward County (revised 8/2015) Page 3 of 6 D. It will adapt and the birds that ate the medium sized seeds will learn to eat fish, insects, or other animals. SC.7.L.15.2 7. A termite population was sprayed with a certain brand of insecticide, a poison that kills termites. After being sprayed, the number of surviving termites within the population were counted and recorded as percentage of the total. This process was repeated until a total of six generations of termites had been sprayed. The results are shown in the table below. Termite Generation Percentage of Surviving Termites after Spraying 1 5% 2 10% 3 25% 4 40% 5 60% 6 80% Which conclusion best explains the data represented above? A. Generation 1 did not survive because it had several members that were old and weak. B. Generation 5 had fewer numbers of termites surviving than Generation 2 due to a smaller initial population. C. The population of termites decreased from generation 1 to 6 because the insecticide killed more of the offspring. D. The survival rate of the termite population increased from generation 1 to 6 which may be due to insecticide resistance in the termite population. SC.7.L.15.3 8. Rainfall in a tropical region has been below average for 10 consecutive years. Insect species adapted to 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? A. B. C. D. Biodiversity in the region has increased due to the dry conditions. Insects with a high tolerance for dry conditions have moved out of the region. Natural selection has favored insect species with high tolerance for dry conditions. Natural selection has selected against insect species that are adapted for dry conditions. School Board of Broward County (revised 8/2015) Page 4 of 6 SC.7.L.15.3 9. Global warming occurs because of increased greenhouse gases such as carbon dioxide in our atmosphere. Carbon dioxide forms carbonic acid when dissolved in water. The increase of carbonic acid in the ocean waters causes a decrease in ions necessary for many sea creatures such as plankton and coral to make bones and shells. Based on the information above which of the following statements best explains what would occur. A. Plankton and sea coral would make immediate adaptations through genetic mutations to adjust to the changes in the environment. B. The ocean water would change its current so that the acidic water is relocated to another area and allow plankton and sea coral to survive. C. The ocean water would change its composition to reduce the amount of carbon dioxide contained and allow plankton and sea coral to survive. D. Plankton and sea coral would become extinct because of its inability to make adaptations fast enough to adjust to the changes in the environment. SC.7.L.15.3 10. A certain reptile species is an herbivore and exists only on an isolated island. Which of the following would most likely result in the extinction of the reptile species over a period of twenty thousand years. A. The reptile species produces many offspring with some unique traits, and the vegetation changes slowly. B. The reptile species produces few offspring with no unique traits, and the vegetation changes quickly. C. The reptile species produces any offspring with many unique traits, and the vegetation remains constant. D. The reptile species produces few offspring with some unique traits, and the vegetation remains constant. School Board of Broward County (revised 8/2015) Page 5 of 6 Commented [1]: I'm concerned about this question since the carbon cycle is not addressed until the last unit. Also, the question has vocabulary such as ocean acidification, carbonate ions, and carbonic acid which may result in the students just skipping this question. 7th Grade Science Formative Assessment #5 Answer Key Answer 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Benchmark SC.7.L.15.1 SC.7.L.15.1 SC.7.L.15.1 SC.7.L.15.2 SC.7.L.15.2 SC.7.L.15.2 SC.7.L.15.2 SC.7.L.15.3 SC.7.L.15.3 SC.7.L.15.3 School Board of Broward County (revised 8/2015) Correct Answer A B D C C C D C D B DOK 2 2 2 3 3 3 3 3 3 3 Page 6 of 6