1. Name 2 characteristics that ALL living things share in common: (2) Any 2 answers from MR.GAREN will work! Check in your I wonder two books.

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1 Name: Date: Group: REVIEW TERM 1 /92 A) THE PLANT CELL: 1. Name 2 characteristics that ALL living things share in common: (2) Any 2 answers from MR.GAREN will work! Check in your I wonder two books. 2. The scientific name of red maple is Acer Rubrum. According to taxonomy, Acer is the: (1) a) class c) family b) species ->d) genus 3. A _cell is the smallest living unit of life. (1) 4. Name all the organelles in the plant cell diagram. (7) nucleus vacuole cytoplasm Cell membrane mitochondria Cell wall chloroplast 5. What are the functions of each organelle: (7) a) The cell membrane: barrier, wall. Controls what goes in and out of the cell. b)the cytoplasm: jelly-like. Holds all the organelles together. c)the nucleus: contains the DNA. Controls the cell s activities. d) The chloroplast: contains chlorophyll. Makes food by photosynthesis e) The vacuole: storage for food, water and wate. f) The mitochondria: creates energy by doing cellular respiration g) The cell wall: gives structure and rigidity

2 6. Correct the mistakes below. a) The mitochondria uses energy. creates / produces (1.5) b) The chloroplast takes oxygen and glucose and makes carbon dioxide and water. The chloroplast takes carbon dioxide and water and makes oxygen and glucose. c) The cell membrane gives structure and rigidity to the cell. cell wall 7. Why does the plant cell have the shape of a square rather than a circle? (1) The cell wall gives the shape of a square. It does this so that the cells can stack on top of each other and grow tall toward the sun. (more advantageous). 8. Name 2 differences between plant cells and animal cells: There are more than 2. I ll name the ones I talked about in class. (1) -Only the plant cell has a cell wall. -Only the plant cell has chloroplasts. -Only the plant cell can do photosynthesis. B) PHOTOSYNTHESIS AND RESPIRATION: 9. Explain the following words: a) Input: what goes in. b) output: what comes out.. (1) 10.What is the purpose of photosynthesis? In what kind of cell(s) does it occur in? (2) The goal is to make food for the cell. It happens only in the plant cell. 11.What is the purpose of cellular respiration? In what kind of cell(s) does it occur in? (2) The goal is to create energy for the cell. It happens in both animal AND plant cells. 12. What is the substance inside the chloroplast that gives the plant its green color? (0.5) chlorophyll.

3 13. Complete the following photosynthesis/respiration cycle by filling in all the missing boxes (be.precise!). The oval boxes are asking you to identify the organelle. (8) sunlight water chloroplast glucose Carbon dioxide oxygen mitochondria energy 14. Give an example of input and output for the human body:there are many!! I ll give you 3 example for each: (2) a)input: food you eat, water you drink, medications. b)output: urine, sweat, feces!. C) SEXUAL/ASEXUAL REPRODUCTION IN PLANTS: 15. What is the purpose of reproduction? (1) It s a way to create new individuals so that you can continue to survive. 16. What are two ways plants can reproduce and what is the difference between the 2? (2) -> sexual : involves gametes (sexual cells) -> asexual : does NOT involve gametes

4 17. Complete the following table: (9) sexual asexual spores cones flowers Cellular division (fission) cutting layering Bulbs 18. What is a gamete? What is the male and female gamete in a plant called? (3) A gamete is a sexual cell. In plants, the male gamete is the pollen and the female gamete is the ovule. 19. Complete the following table: (9) SPORES CONES FLOWERS Which class(es) of plants Ferns conifers Flowering plants contain this? Mosses algae What structure holds the male gamete? What structure holds the female gamete? Spores (same) male cone The stamen Spores (same) Female cone The pistil 20. What is the difference between fertilization and pollination? (2) ->_fertilization : is when the male and female gamete fuse together into 1 cell. ->_pollination : _when you transport the male gamete (pollen) to the pistil of another flower.

5 21. What part of the flower attracts pollinators? (1) The petals are colorful and so attract pollinators. 22. Complete the diagram below. Next to each answer, write if it s a female part (F), male part (M), or none (NONE). (7) A: Stigma, F B: style, F C: ovule, F D: petals, NONE E: anther, M F: filament, M G: sepals, NONE H: receptable, NONE 23. Associate each picture with the type of asexual reproduction: (4) a) bulbs **layering b) ***I MADE A MISTAKE!! BOTH b) and c) ARE LAYERING. Here is a picture of cutting. c) **layering

6 d) Cellular division D) CONCENTRATION/DIFFUSION/OSMOSIS: 24. Label the following picture. Give the definition for each label. (6) Solute : Small parts of the solution Solvent : Main part of the solution. Solution : Composed of the solvent and solutes 25. 9g of solute 72mL of solvent 81mL of solution a) What is the concentration (don t forget units!)? show all your work. (1) C= SOUTE(m) SOLUTION(v) ---à C= 9g 81mL ANSWER = 9g/81mL OR 1g/9mL. b) If I had 243mL of this solution, how much solute (in grams) would be dissolved in it? Show all your work. (1) Make a proportion. We know there is 9g of solute in 81mL of the solution. 81mL X3 = 243mL so 9g X3 = 27g ANSWER= in 243mL of the solution, there should be 27g of the solute.

7 26. True or false? : (give an explanation if false**) (4) a) Diffusion requires you to put energy or force into it to make it work. False. Diffusion happens by itself because naturally, molecules move around on their own. b)the goal of diffusion is to make equal concentration. True c) The goal of osmosis is to make equal concentration. True. d) Osmosis is a type of diffusion. True. 27. Give an example of diffusion and explain what is the solvent and the solute in the example. (3) There are many answers! Look at the diffusion notes on my powerpoint to find other examples. è Example: When you smoke cigarette, the toxic smoke diffuses in the air. o the solvent is: the air around you. o the solute is: the toxic smoke of the cigarette. 28. Osmosis is the diffusion of a liquid solvent going through a semipermeable membrane. (2) 29. Show with an arrow which way will osmosis of water move in the 2 pictures below. (2) a) b)

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