Investigating the Amount of Stomata on a Variety of Different Sized Leaves Introduction During this experiment I am going to investigate the stomata on a large leaf and a small leaf from the same plant to compare the amount of stomata per mm². The stomata are small openings found in the lower epidermis of leaves. Each stoma is surrounded by two bean-shaped guard cells containing chloroplasts. A stoma is a very efficient structure because it can control the rate of
Adriana Gutierrez AP Biology Lab 9 Analysis 1. For this experiment, what were the independent variable and the dependent variable? What were the constants? The independent variable of this experiment are the environmental factors that you are testing on the rate of transpiration, so our independent variables would be bright light, fan, dark, and misted. The dependent variable is the rate of transportation because this depends on whatever environmental factor the plant is placed. The constants
The Search for Better Health Research Task Foot and Mouth Disease(FMD) Foot and mouth disease is a severe, highly contagious viral disease of domestic and wild cloven-hoofed animals (ungulates), these include cattle, sheep and pigs. The disease is characterised by the formation of vesicles and erosions in the mouth and nostrils, on the teats, and on the skin between and above the hoofs. FMD may cause serious production losses and is a major constraint to international trade in livestock and their
response in multicellular organisms; i.e., plants Objectives • Analyze plants as an example of a multicellular organism with specialized structures at the cellular, tissue and system levels (STS and Knowledge Outcome #3) o Describe how the cells of the leaf system have a variety of specialized structures and functions; i.e., epidermis including guard cells, palisade tissue cells, spongy tissue cells, and phloem and xylem vascular tissue cells to support the process of photosynthesis o Explain and investigate
2016 Done by: Devin Evans Research question: will there be more stomata in a leaf in the sun or a leaf in the shade? Hypothesis: there will be more stomata in the lower epidermis
the bark that has faded to ghostly shades of white and grey. A light breeze stirs the leaves causing the rope swing to sway back and forth. The last few leaves are barely holding on. Sitting beneath the tree my tears create a small puddle upon a leaf. Rippling across the top a reflection appears, but not myself as an adult. A small child with flour upon her cheek, her tiny hands
and digitally display it, so I went back to the drawing board. After I went out to the main exhibit, I stood at the wall waiting for my leaf. I decided to look around the rest of the 270 degree wall for my leaf. After five minutes of waiting, another visitor stood beside me searching for her leaf as well. After 10 minutes passed, I decided to accept that my leaf was not coming anytime soon and it was the last part of the exhibit that I had to experience anyway. I could tell there were still bugs
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What my source has told me is that, ‘The amount of sunlight a leaf is exposed to greatly affect the number of Stomata one can find on its underside.(Telwar,2015)Turns out that leaves that are found in the sun were able to produce more Oxygen and required more Carbon Dioxide. In order to cope with these demands of
(Jones 2000) causing the yellow Sigatoka; since then it is present in most banana-growing regions, and it has been a problem in high altitudes and cool temperatures (Mouliom-Pefoura et al., 1996). Mycosphaerella fijiensis, the black Sigatoka or black leaf streak, was first reported on the island of Fiji in 1963, even though isolates were more diverse in the Papua New Guinea – Philippines region indicating the center of origin of this pathogen (Stover, 1978). In less than two decades since it was discovered