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re m ov e - pl e Test Booklet to om .c nd at w w w .tr ia m Subject: SC, Grade: 07 CRCT 2013 Grade 7 Science -s ig nu p Sa Student name: Author: Georgia District: Georgia Released Tests Printed: Thursday July 25, 2013 CRCT 2013 Grade 7 Science SC:07 1 What is the original source of energy in a food web? air soil sunlight water pl e A B C D taiga and temperate forest ov e desert and tundra re m desert and taiga tundra and temperate forest om .c nd -s ig nu p Sa at w w w .tr ia m to A B C D - 2 In which biomes are tall trees able to grow? Page 1 Go On CRCT 2013 Grade 7 Science SC:07 3 Which of these correctly describes how matter moves through a food web? producers → first-level consumers → decomposers → second-level consumers decomposers → first-level consumers → second-level consumers → producers producers → first-level consumers → second-level consumers → decomposers pl e A B C D decomposers → second-level consumers → producers → first-level consumers 4 Which of these BEST describes why most - organisms look similar to their parents? genes. ov e A The organisms and their parents have similar similar foods. re m B The organisms and their parents consume C The organisms and their parents have similar survival skills. om .c nd -s ig nu p Sa at w w w .tr ia m environments. to D The organisms and their parents live in similar Page 2 Go On CRCT 2013 Grade 7 Science SC:07 5 A student removed a small plant from his garden, but he did not remove all of the small plant’s roots. A new plant grew from the roots that were left by the old plant. Which of these is true about the two plants? The two plants will be identical to each other. pl e A B C D The two plants will be different from each other. The new plant will not be able to produce offspring. The new plant was produced through sexual reproduction. ov e they gather nectar. - 6 Bees carry pollen from one flower to another when The bee and the flower both benefit. to Neither the bee nor the flower benefit. The bee benefits but the flower does not. om .c nd m The flower benefits but the bee does not. -s ig nu p Sa at w w w .tr ia A B C D re m Which of these BEST describes the relationship between the bee and the flower? Page 3 Go On CRCT 2013 Grade 7 Science SC:07 7 Sometimes people get bacterial infections that do not respond to medications, such as antibiotics, that are used to treat bacterial infections. Which statement BEST describes why antibiotics do not get rid of the bacterial infections? People have become immune to the antibiotics. pl e A B C D Bacteria have genes that protect them from the antibiotics. Bacteria absorb the antibiotic, causing it to be less effective. People eat foods that cause the antibiotic to be less effective. ov e breeding? - 8 Which of these is an example of selective medicines. re m A Mold is grown in a lab and used to make B Sheep are cloned to produce more of the same type of sheep. om m copies of the gene for a certain trait. to C Genes are inserted into bacteria to make many at w w w .tr ia 9 Which of these cell structures functions in a similar way to a car engine? nucleus Sa A B C D nd healthy roosters to produce many healthy offspring. .c D Hens that lay the most eggs are crossed with cytoplasm chloroplast -s ig nu p cell membrane Page 4 Go On CRCT 2013 Grade 7 Science SC:07 10 Which of these correctly describes levels of organization found in the human body? The brain is less complex than nerve cells. Bladder cells are more complex than bladder tissue. The digestive system is less complex than the stomach. pl e The muscular system is more complex than muscle tissue. om .c nd -s ig nu p Sa at w w w .tr ia m to re m ov e - A B C D Page 5 STOP