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Download CG--SCI-answers-NJ.ASK - Grade 8 Learning from the Fossil
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NJASK Science Preparation Assignment Name: Colette Gilbert Date: February 3, 2011 Chapter 3: The Structure of Living Things 1. Read the packet, pgs. 1-18. This is an excellent overview of all the topics on this section of the NJASK. 2. Complete the following banks of questions and record your answers below. Pg. 7- Question Set 1 1. C 2. D 3. B 4. C 5. B 6. C 7. This organism (flies) starts out as an egg, and it starts to grow and becomes maggots (aka larvae). When the organism is an egg, it’s like when humans are babies. When they become maggots, we are children. The flies then mature into pupae. That is around the same stage in humans when we are adolescents. We mature into adults, and the flies then grow into adult flies. We then reproduce, and so do the flies. The cycle starts all over again, with babies or eggs. This pattern doesn’t take the same amount of time to occur, but the same stages happen. The organisms go through metamorphosis. 8. The way to tell a difference of a plants’ cell or an animals’ cell is whether or not the cells produce chloroplasts and chlorophyll. The plants use chloroplasts to produce sugar to use as energy when the plant makes chlorophyll. Both of cytoplasm and chlorophyll are used in plants to get energy and covert glucose into energy. We don’t have to use either of them to get energy from the food we eat. 9. The diagram of cells on the left is probably the human or animal cell, (A). The cells on the right are cells of a plant. The cells on the right have chloroplast and chlorophyll and have a cell wall. The plant cells use chloroplast to make chlorophyll to use as energy. So we don’t have to make our own food, we take the nutrients out of the food we eat, unlike plants. The food we eat, we break down to use now and stored later. Vacuole larger in plant cell, have chlorophyll, chloroplast, plant cells look like a brick wall, have a cell wall and more organized. The plant cell doesn’t have the bone tissue. We have that structure to move and be supported. Unlike plats, they don't have them to keep upright. NJASK Science Preparation Assignment Name: Colette Gilbert Date: February 3, 2011 10. Reproduction is the one thing an individual organism doesn’t have to do in order to survive. If they whole species want to survive, it has to reproduce. If the species is going to survive, the organisms has to continue the species of organisms, otherwise there won’t be anymore of that type of organism on the planet. Once that organism dies off, there are no more of that kind. One animal will survive if it doesn’t reproduce, but the whole species wouldn’t Pg. 10 – Skills Activity 1 1. They are baby flies from adult flies. They come from eggs of flies and have a food source (the meat) to survive. The can only come from living flies. 2. There is no such thing. If is reproduction, from adult flies, the babies are born, they need food to survive and therefore die without it. Pg. 13- Question Set 2 1. D 2. B 3. C 4. B 5. A 6. C 7. The skeletal system protects the body, supports it, gives it the shape it has and gives it the structure. If the skeletal system weren’t there, no muscle would be in the body because it had nothing to attach to. Without muscles, the body wouldn’t be to move or have tendons to help it bend. 8. Being an oxygen molecule I was inhaled and I passed through the Respiratory system (lungs) and I was then moved into the Circulatory system (red blood cells) and passed through the Nervous system on my way to the brain. I was used and took out the oxygen to be used to pump orders throughout the body. Then I went back through the Circulatory system in the red blood cells yet again. I was brought back to the respiratory system to wait to be exhaled and be gotten rid of. 9. The cells like the red blood cells in the heart help provide oxygen-enriched blood to pump around the body. Many of those cells make up a tissue, which make up an organ NJASK Science Preparation Assignment Name: Colette Gilbert Date: February 3, 2011 like the heart to help circulate blood to ensure the body has the energy it needs to do the jobs it has to. Pg. 18 – Question Set 3 1. C 2. C 3. C A 4. A A 5. Chimpanzee because we’re in the same Phylum, Class, possibly order, Family and Species. WE are built the same way and have almost the same bone structure. 6. He made a pneumatic devise for all the classification of the different kingdoms. This way he would remember Kingdoms, Phylum, Classes, Order, Family Genus, and Species and how to classify an organism. King Philip Came Over From Germany to Spain