05 WLE Science Life (05wlesciencelife) 1. The chart below shows some characteristics of vertebrates and invertebrates.

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1 05 WLE Science Life (05wlesciencelife) Name: Date: 1. The chart below shows some characteristics of vertebrates and invertebrates. Which of these animals would be considered a vertebrate? A. fish B. clam C. sponge D. octopus 2. All vertebrate animals have A. scales. B. warm blood. C. backbones. D. hair. 3. Which is best used to observe cells and their structure? A. binoculars B. microscopes C. telescopes D. the naked eye 4. Which of these microorganisms is considered harmful? A. fungus in antibiotics B. bacteria in yogurt C. yeast in bread D. mold on fruit 5. Which cellular structure is found in plants, but not in animals? A. mitochondria B. nucleus C. chloroplast D. endoplasmic reticulum 1

2 05 WLE Science Life (05wlesciencelife) 6. Some bacteria can be beneficial because they produce A. cheese. B. fruit. C. water. D. energy. 7. Redwood trees can grow to be very tall. They can grow so tall because they are A. vascular B. deciduous C. nonvascular D. flowering Permission has been granted for reproduction by the Virginia Department of Education 8. Smelts are fish that lay their eggs in the sand on beaches. When the eggs hatch, the babies know to go to the water. This is an example of A. instinct B. hibernation C. camouflage D. learned behavior Pemission has been granted for reproduction by the Virginia Department of Education 9. Vertebrate animals that are distinguished by internal fertilization, placental development of the fetus, and production of maternal milk are A. mammals. B. birds. C. amphibians. D. reptiles. 10. A biologist discovers a new multicellular organism. The biologist is not sure if it is a plant or an animal. She decides to look at the cells under a microscope. Which structure would best indicate that the organism is a plant? A. chloroplast B. Golgi body C. ribosome D. lysosome 2

3 11. Biologists use various traits to classify living things. Which of the following would be least useful in a classification scheme for mammals? A. color of hair B. shape of teeth C. skeleton bones D. digestive systems 12. Which of these is not an instinctive behavior? 05 WLE Science Life (05wlesciencelife) A. a bird building a nest B. a turtle burying its eggs C. a bear hibernating in winter D. a horse pulling a plow This online assessment item contains material that has been released to the public by the Massachusetts Department of Education. 13. Which can bacteria do? A. spoil food B. heal cuts C. purify water D. cause cancer 14. Use the diagram below to answer this question. Which arrow points to a mitochondrion? A. arrow A B. arrow B C. arrow C D. arrow D 15. Which cell part is found in plant cells, but not animal cells? A. cell wall B. cytoplasm C. nucleus D. vacuole 3

4 16. One benefit of bacteria is that they can be used to A. strengthen some wood products. B. produce plastic from petroleum. C. produce certain kinds of foods. D. keep our clothes from wearing out. 05 WLE Science Life (05wlesciencelife) 17. Some birds fly south for the winter. Birds know when and where to fly because of A. camouflage B. mimicry C. instinct D. hibernation Pemission has been granted for reproduction by the Virginia Department of Education 18. Read the passage. Karen has two sisters and one younger brother. Her parents and grandmother also live with her. She is the only blonde in her family. However, everyone in her family has brown eyes. Which of these is being described in the passage? A. gene display B. inherited traits C. learned behaviors D. nature versus nurture 19. Which animals are cold-blooded, live part of their lives in water and part on land, and go through metamorphosis? A. reptiles B. amphibians C. birds D. mammals 4

5 20. How is a fish different from a jellyfish? 05 WLE Science Life (05wlesciencelife) A. A fish has a backbone. B. A fish is in the animal kingdom. C. A fish can reproduce. D. A fish lives in water. Permission has been granted for reproduction by the Virginia Department of Education 21. A tiger belongs in which of the above groups? A. Group 1 B. Group 2 C. Group 3 D. Group 4 Pemission has been granted for reproduction by the Virginia Department of Education 22. Insects, arachnids, worms, and mollusks all belong to which group? A. vertebrate B. invertebrate C. classification D. vascular 5

6 23. Which is a characteristic of reptiles? A. They have slimy skin. B. They use lungs to breathe. C. They are invertebrates. D. They maintain a constant body temperature. 24. Which common human disease is caused by an organism in the Kingdom Fungi? A. tuberculosis B. athlete's foot C. walking pneumonia D. influenza 05 WLE Science Life (05wlesciencelife) 25. Would it be good for your health to kill all of the bacteria in your body? A. Yes. Most bacteria in your body are harmful. Killing all of the bacteria would get rid of these bacteria. B. No. Many bacteria in your body are beneficial. These beneficial bacteria help your body perform physiological functions, such as digestion. C. Yes. Getting rid of all bacteria in the body would prevent most diseases. This is why doctors use antibiotics. D. No. The harmful bacteria in your body are important for stimulating the immune system. 6

7 05 WLE Science Life (05wlesciencelife) Answer Key 1. A) fish 2. C) backbones. 3. B) microscopes 4. D) mold on fruit 5. C) chloroplast 6. A) cheese. 7. A) vascular 8. A) instinct 9. A) mammals. 10. A) chloroplast 11. A) color of hair 12. D) a horse pulling a plow 13. A) spoil food 14. A) arrow A 15. A) cell wall 16. C) produce certain kinds of foods. 17. C) instinct 18. B) inherited traits 19. B) amphibians 20. A) A fish has a backbone. 21. A) Group B) invertebrate 23. B) They use lungs to breathe. 7

8 05 WLE Science Life (05wlesciencelife) 24. B) athlete's foot 25. B) No. Many bacteria in your body are beneficial. These beneficial bacteria help your body perform physiological functions, such as digestion. 8