Dylin Myers Ms. Rothel Accelerated Biology 22 September 2014 Germination Lab Purpose- The purpose of this experiment is to test the differences of plant growth between areas that have access to light and to those who do not. Research- A seed is, ”a flowering plant 's unit of reproduction, capable of developing into another such plant” (dictionary.com). Germination is, “the stage in which a germ or a living thing starts to sprout, grow and develop” (biology-online.org). A cotyledon is, “the primary or rudimentary leaf of the embryo of a seed plant that either remains in the seed or emerges upon seed germination; a modified leaf that is part of the plant embryo within the seed; a seed leaf” (biology-online.org). Many things go into triggering germination such as nutrients, and some non-nutrient chemicals. One can tell when germination ends by observing the shoot breaking through the soil. Materials- 20 radish seeds Paper towel 20mL of water 2 small plastic containers, one dark, one clear 2 pairs of scissors Graduated cylinder Pipet 2 lids to the plastic containers Procedure Cut paper towel into 2 small circles fit to the bottom of container. Place the paper towel into the bottom of the container, one per container. …show more content…
The reason that this occurred is because the plant was much more rushed to reach the surface in search of light than those who had access to light at all times (. Germination does require light, along with temperature, oxygen, and water which both test subjects had access to, but for an unknown reason, the seeds in the dark grew more than those in the light. It’s seems to be that by adding water to a seed in the correct environment germination is the triggered to start. Both test subjects did not complete the germination process by sprouting and beginning to grow leaves. One of the major parts of a seed embryo is the cotyledon. Cotyledon, “usually becomes the embryonic first leaves of a seedling” (sciencedaily.com). Inside of the cotyledon is where the seed has all of its food stored. In conclusion, for germination to occur, a seed must has access to light, oxygen, water, and …show more content…
One of the many mistakes in the lab was the amount of water that was put into the seeds in the beginning of the lab, upon observing the results, I noticed that all of seeds in both of the containers were completely drowned in water. The lab in a whole was not as successful as one would have expected because of the contradicting results between what happened and what should have happened. From this lab experiment I was able to learn what germination is, cotyledon is, the anatomy of a seed embryo, and how light can affect the way that a seed can
They can withstand a lot of pressure. The seeds will be protected from natural disasters, wars and political conflicts.(Source 2) The seed banks also keep the seeds alive for hundreds of years. They are heavily protected and safe. The seeds are stored carefully between -10 degrees celsius and -20 degrees celsius.(Source 2)
A seed is planted and taken care of
On day one no seeds germinated. By day two, seeds in the control group, 15% and 25% experimental groups had germinated. On day two the experimental group with 25% concentration of miracle gro’ had the most seeds
,2010; Kertabad et al., 2013). The bulblets then become dormant throughout the summer with germination beginning late in the winter and the plant can be seen sprouting early in spring (Axtell et al., 2010; Kertabad et al., 2013). Lesser celandine plants are capable of surviving for a few years as they are perennial (Axtell et al., 2010; Kertabad et al.,
The purpose of this lab was to test the effect of pollution on algae growth. Through a series of experiments that lasted a month, four of the six hypotheses were proven to be correct or partially correct. The first hypothesis stated that if 0.5 mL of salt was added to algae, then the algae would grow slower than the positive control. This was proven correct, as shown by the difference of the data from the positive control and the container with 0.5 mL of salt in it.
As stated in the background of the lab, "seeds are considered to be in a period of dormancy, where they metabolize stored energy at a very slow rate while the seed is still considered alive" (Hands On Labs). During germination, the developing plant embryo uses the stored food supply in the seed for cellular energy and growth. Thus, cellular respiration is taking place as the seeds grow. Without water the seeds cannot begin germinating thus the seeds in test tube N did not undergo photosynthesis(Hands On Labs). B. Were the seeds in the “G” tube undergoing both photosynthesis and respiration, only photosynthesis, or only respiration?
The elementals surrounding the seed have issues even looking at it. Simply catching sight of it causes their very consciousness pain and anguish leading them to flee... and flee far. By nature of an elemental, they are conscious embodiments of forces in the universe and cannot die so they know no fear. They are at one with creation and yet... this is something else, separate from creation and it strikes them with true terror they have never felt before.
The seedlings are grown once the Mycofoam decomposed near suitable condition.
Mostly seeds are woven around Axatse as it is a Ewe cultural tradition. In Ewe culture, the people translate the seeds as “forget-me-not”. According to them, seeds are cast to determine that whether a person will forget the others or not, mostly in cases of love bonds. The seeds are nominating the girls.
The seed can also become an attractive food item for an animal that likes to cash food for the winter . Any seed the
Joshua Miller 12/18/17 Fermentation Lab report Introduction The term fermentation refers to the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat (wikipedia). Sugars are converted to ethyl alcohol when fermentation happens. In this experiment we determined if yeast cells undergo fermentation when placed in a closed flask with no oxygen. Glucose and yeast are mixed together in a closed flask and allowed to incubate for about one hour.
Research Question: How does the presence of light impact the rate of transpiration in plants? Aim: The aim of this experiment was to investigate how the presence of light affects the rate of transpiration in plants. Hypothesis: As light intensity increases, the rate of transpiration (water uptake) in a plant increases.
Angiosperms are further divided into two sub-classes, Monocotyledons and Dicotyledons dependng on the number of cotyledons ( seed leaves ) are in the embryo. Monocots ( grasses and orchids ) have one cotyledon and Dicots have two
The rate in which my grass grows can be contributed to many factors. It can be said that the amount of sun in which my grass receives makes it grow faster. However, this guess would be my own hypothesis and would need further experimentation. The grass would have to be tested using separate variables. The grass would need to be tested using the effect of light and water separately and then test using water and light at the same time.