1.Melissa is designing an experiment to learn what a plant needs to survive. She buys four plants of the same type. Then, she puts two in the light by the window and two in her closet where there are no windows.

Finally, she gives the plants either no water or 100 milliliters of water every week for a month.

Which plant will be the healthiest at the end of the experiment? 2.Andy learns in school that plants grow best when they receive an optimal range of water, sunlight, and nutrients. He decides to do an experiment with bean plants to test this idea. Over the course of a month, he is planning on giving five bean plants different amounts of water. His watering schedule is outlined below. Plant Amount of Water Every Week A 0 mL B 10 mL C 100 mL D 1,000 mL E 10,000 mL What will be the most likely result of his experiment? 3.A plant produces its own food through the process of photosynthesis. Which of the following materials do plants need in order to perform photosynthesis? 4.During photosynthesis, plants absorb energy from sunlight, they take in water from the soil using their roots, and they take in carbon dioxide from the atmosphere. What is produced in the leaves of plants, in addition to oxygen? 5.During photosynthesis, the following reaction takes place:
carbon dioxide + water + light energy → sugar + oxygen
During cellular respiration, the following reaction takes place:
sugar + oxygen → carbon dioxide + water + chemical energy
Given this information, how are photosynthesis and cellular respiration related?
6.During the process of transpiration, water a plant through the . 7.Plants require light to survive because 8. slow down transpiration by the stomata. 9.To obtain the energy needed for life processes, plants break down to release stored chemical energy through the process of . 10.Plants use a process called respiration in order to obtain energy from the food they produce during photosynthesis.
When a plant undergoes respiration, it wait for the 10 more!

Answer/Explanation:

1. The plant near the window that gets 100 ml of water has the resources to make its own food by photosynthesis. Plants require water and carbon dioxide from the atmosphere to synthesise sugars with the release of carbon dioxide. This requires energy in the form of sunlight. Therefore, the plant that has both water and access to sunlight can access both of these resources. The plants that lack either one will not be able to synthesise their own food.

2. The plants that receive no water will be very unhealthy, the plants that recieve a little water (B) will start to improve until an optimal amount (C). Then, overwatering the plants could occur. At high levels such as 10,000 ml the soil might become waterlogged, reducing the number of air pockets and blocking the plant's supply of oxygen. Therefore, plant E might also be unhealthy.

3. There are no options given, but plants require a decent source of carbon dioxide from the air, water, and sunlight to perform photosynthesis. Sunlight provides the energy to synthesise simple sugars from carbon dioxide and water. The plants then release oxygen as a byproduct.

4. Simple sugars such as glucose and produced as a result of photosynthesis. This is produced in the leaves, because specialized organelles called chloroplasts trap the light energy and absorb carbon dioxide to perform the synthesis reactions required to turn carbon dioxide and water into sugars. These can then be delivered elsewhere in the plant for storage or use in cellular respiration.

5. Photosynthesis and cellular respiration are closely related but "opposite" reactions. Photosynthesis uses energy from the sun to generate sugar, which acts as an energy source for the cell. It requires carbon dioxide and water, and releases oxygen as a by-product.

In cellular respiration, the sugars produced by photosynthesis are broken down to produce chemical energy. This process requires oxygen, and releases carbon dioxide and water as a by-product.

6. During the process of transpiration, water exits a plant through the stomata. Transpiration is the process where the plant loses water as a result of it evaporating from the surface of the leaf. It helps maintain the turgid structure of the plant, helps distribute nutrients throughout the plant, and also cools the plant down. Water is pulled up the plant by capillary action, where it finally reaches the leaves, where it can evaporate into the air via the pores called stomata.

7. Plants require light to survive because they need it to produce food. Plants produce their own food by photosynthesis. To do this, they require sunlight, which provides the energy to synthesise sugar molecules from carbon dioxide and water. Without light energy, plants couldn't make sugars. Sugars are needed as a source for cellular respiration, which powers all the cell's activities.

8. Guard cells slow down transpiration by closing the stomata. When the plant is losing too much water by transpiration, the cells start to lose turgor, meaning they become more flaccid and the plant starts to wilt. The opening and closing of the stomata is controlled by the guard cells, mainly by their turgor pressure. To counteract water loss by stomatal opening, the rate of uptake of water from the soil also increases. There are many factors that affect the rate of transpiration including light, temperature, and humidity.

9. To obtain the energy needed for life processes, plants break down sugar to release stored chemical energy through the process of respiration. Respiration uses glucose as the source to produce energy. Glucose is produced by the reactions of photosynthesis. So, without photosynthesis, the cell cannot obtain the energy it needs for life processes.

10. Plants use a process called respiration in order to obtain energy from the food they produce during photosynthesis.  When a plant undergoes respiration, it breaks down the sugar inside its cells. The breakdown of glucose in the cell produces chemical energy that the cells can use to fuel other processes that it needs to survive. Therefore, the cycle of photosynthesis and respiration are hugely important for the normal functioning of a plant

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