1. Unit Test 1 Review Prepared by Mrs. Lucia Ana Traya WAMS

2. Which diagram above correctly illustrates the flow of energy in a food chain and food pyramid? A.Picture A C. Picture C B.Picture B D. Not shown Plants 1 Consumerrs 2 Consumer 1 Consumerrs 2 Consumerr 3 Consumer Plants Picture A Picture B Picture C D. Not shown

3. Bread and any food produce from plants contain carbohydrates. During digestion, the molecules of carbohydrates are broken down into- A.Lipids B.Proteins C.Sugar D.Acid

4. Which generalization best describes what happens to large molecules during digestion? A.Large molecules will stay the same in the bloodstream B.Large molecules are broken into smaller units. C.Big molecules of food are not consumed during digestion D.Big molecules like sugar are broken down into carbohydrates

5. Which idea is depicted by this diagram? F. Water cycle only G. Cycle of matter H. Flow of living things I. I can’t remember, need to study more on this….

6. Which concept shows thermal Or heat energy released into the Environment during digestion? F. Your body temperature changes as the muscle in your stomach is at work. G. The nutrients are absorbed by the cells in your body. H. Your teeth is grinding the food I. The food is broken down into smaller molecules.

7. Which of the molecules are Organic? C 6 H 12 O 6 glucose NH 2 CH 2 COOH amino acid AgNO 3 silver nitrate CH 4 methane gas

8. Which seed is correctly responding to gravity during geotropism?

9. A group of middle school students placed a potted plant upside down to demonstrate plants response to the stimuli around them. After a month, they noticed that the plant's stem and leaves bent upward. According to them, this response is known as- A. Thigmotropism B. Gravitropism C. Phototropism D. Turgor Pressure

10. Describe what happens during Photosynthesis? (Analyze the diagram below. Identify the energy X and Y )

11. How do you call the response of plants growth in response to gravity?

12. What will be added to the soil and into the air during decomposition process? On your paper, write an idea then pass the paper to your team members for them to use that idea into a complete sentence. Do the best you can. Good Luck !!! Word Bank: Decomposers, Nitrogen, humus or fertile/rich soil

13. Forests are home to many plants and animal species. However, these forests are being depleted by human actions of cutting down trees. Which of these is the impact to the forests if people continue to cut down trees? A. Countries will have to grow more trees B. The biodiversity of the area will increase C. The biodiversity of the area will decrease D. The source of energy will increase

14. Which of the ecoregion in Texas will have a greater impact due to wave action and erosion? Justify your answer.

15. All of the following are examples of chemical energy converted into mechanical or motion energy except- F. A deer grazes as it walks through the fields. G. A grass is eaten by a mouse then run away from predator. H. A small fish swims around the sea and eats seaweeds. I. A plant doing photosynthesis and produces glucose.