Nutrients | - | Temperature | - | Humidity | - | Wind | - | Gravity | - | Day length | - | Space to expand | - | Appropriate environmental setting | - | THREE MAJOR three major functions that are basic to plant growth and development Photosynthesis – The process of
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All oxygen-breathing life forms take in Oxygen and exhale CO2. Plants take in the CO2 and use it in their photosynthesis process and in turn give off oxygen. The Carbon Dioxide-Oxygen Cycle is a continuously occurring process whereby animals inhale Oxygen and then exhale carbon dioxide‚ and plants use the CO2 and "exhale" O2. Plants and other producers use carbon dioxide in photosynthesis. They produce oxygen as a waste product. Carbon dioxide moves from the air into the leaves of plants. Oxygen
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M4A1 Midterm Essay BIO110 Excelsior College 1. You are the biologist in a group of scientists who have traveled to a distant star system and landed on a planet. You see an astounding array of shapes and forms. You have three days to take samples of living things before returning to earth. How do you decide what is alive? If three days is all I have to take samples of living things‚ then it would be very hard to determine what is truly alive‚ as the time restriction only allows for certain
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get this energy is different for plant and animal cells. Plants cells undergo a process called photosynthesis where light energy from the sun is used to convert carbon dioxide and water into glucose and oxygen. For animal cells‚ the process is known as cellular respiration by which cells break down complex molecules‚ such as sugars‚ to release carbon dioxide. The complex chemical reactions of photosynthesis and cellular respiration help meet the energy needs of living things. (Cellular Respiration)
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cell organelles. Food substances. Mostly H2O. 4. Vacuole/Sap vacuole/Large central vacuole • Mostly H2O. 5. Nucleus • Controls all activities of a cell. 6. Chloroplasts • Contains green pigment called Chlorophyll which is important for doing Photosynthesis. 7. • • • Differences between plant cells and animal cells Only plant cells have cell wall. Only plant cells have
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SPECIES‚COMMUNITY AND ECOSYSTEM SP | SPECIES1.Every different living thing is called a species2.Examples:a) A sparrow is a species of bird.b)A pigeon is another species of bird.3.Individuals from the same species have the same appearance and characteristics.4.Individuals from the same species are able to reproduce among themselves. | | POPULATION1.A group of the same species living together in the same habitat forms a population. 2.EXAMPLES:a)A group of sparrows living together forms a
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gaseous envelope of the earth which extends up to a height of 22.5 km. The area of contact and interaction between these components is really important for life‚ for it is here that the entire life is confined and the basic processes of life like photosynthesis and respiration occur. Living organisms are‚ mostly‚ confined to the parts of biosphere that receive solar radiation during the day. As stated above this includes atmosphere‚ the surface of land‚ the few meters of soil and the upper layers
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to occur‚ photosynthesis must be greater than respiration. High temperatures (35°C) cause increased respiration‚ sometimes above the rate of photosynthesis. This means that the products of photosynthesis are being used more rapidly than they are being produced as a result the growth will not be sufficient and the lettuce plant might even die. On the contrary low temperatures ( 0°C ‚ -10°C ) can result in poor growth. Photosynthesis is slowed down at low temperatures. Since photosynthesis is slowed
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variety of tomato; Yield will vary with different varieties/with different genotypes; or Water (application); Water needed for expansion of fruit/maintain leaf turgidity/maintain stomatal opening/replace water lost in transpiration/water used in photosynthesis; a b Yield increases by 0.6 kg m–2 (when extra carbon dioxide present); Temperature/light
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Energy Photosynthesis Photosynthesis is the process by which green plants manufacture their own food. This occurs in presence of sunlight and other raw materials‚ namely carbon dioxide and water. The chlorophyll pigment harvests the light energy from sunlight‚ which is then converted into glucose by the phenomenon of photosynthesis. In short‚ it is the opposite of aerobic respiration. The equation for photosynthesis is: 6 CO2+ 6 H2O + Light energy → C6H12O6
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