Connor Leste, Adamo DeVito, Bruno Gasperetti Mrs. Brown Biology Pd.#2 26 March 2014 Plant Growth Due To Orientation Knowing which way to grow your plant quickly and effectively has been a very important topic in the gardening industry since people have started gardening. From which pots you use, to what climate you live in, and even what fertilizer you might use, these have all been questions on how to grow your plant. But one of the most important factors into growing a quick and perfectly healthy plant is the plants orientation. So we ask,” How does a plants orientation affect its growth?” We set out to find the answer to this question by planting the same plant in three separate pots. One facing up right, another hanging upside down, and the last placed evenly on its side. Taking care of the plants, we took notes on each plant every day carefully examining each plants growth. We found that the plant on its side grew the most, followed by the plant upside down, and then the plant that was upright. The out come of the growth of the sideways plant astonished us. We all predicted...
surface area by taking a sample of 10 or 20 - this would give a good
Brassica rapa is a mustard plant that can be found throughout North America, and is common in areas undergoing extreme change, such as changes in climate. There is an important relationship between the ecological and genetic factors that influence the growth of Brassica rapa (Mitchell-Olds 1996). So, the environmental elements, as well as the genetic information, are essential to the growth rate and survival of Brassica rapa. This plant is capable of reproducing quickly, and the root systems are usually quite small, although some Brassica rapa have developed larger root systems (Mitchell-Olds 1996). This plant is commonly used in experiments because of its ability to germinate rapidly. Brassica rapa is capable of sprouting within a stage of about two weeks, and this trait allows scientists to perform experiments in a short period of time.
Investigating the Effect of Light Intensity on the Size of a Plantain Leaf Title: To investigate the effect of light intensity on the size of a plantain leaf. Hypothesis: I predict that the size of the plantain leaves would increase as the light intensity decreases. Therefore, plantain leaves found in the shade will have larger surface areas than leaves found in an open area. Theory: Sunlight is an essential factor need to complete the process of photosynthesis.
In the video, “Genetically Modified Crops: Hope vs. Hype”, reveals that a Cornell study followed-up by Iowa state researchers show that “pollen from GMO corn is killing the larvae of the Monarch butterflies, which is not at all what the corn 's designers intended” (“Genetically Modified Crops: Hope vs. Hype”). GMO seeds are contaminating our environment, which were presumed safe before. Genetically-modified organisms are the unorthodox procedure of moving genes from one species to a completely different and unrelated species. These unnatural transferring of genetics are causing death among insects. Undeniably, nature 's long-lived ways are safer compared to the bio-tech 's short-lived ways. They hold many uncertainties. Such as, Niagara
How does the vegetation surface type affect the amount of runoff? Speculate why this happens.
Heinrich Heine a German poet also shares the title as a romantic poet invoking emotions throughout his stanzas. The Silesian Weavers, in each three translations describes the turmoil that the Germans endured. Heine focused on the entire aspect of Germany in his poem including the sorrow of those who wept, the faith of those who had been shattered, and the cities gloom that surrounded the country. The country had found itself embedded in despair and so many unfortunate events that it felt as if the plants could not bloom properly and nature just shut down completely. As I stated in the discussion board I found all three translations to be very well written translations, but overall preferred the one translated by Sasha Foreman.
An improvement on this experiment could have been the watering; instead of twice a week, it could’ve been everyday and a consistent amount of water—maybe a set of up of sprinklers instead of hand watering the plants. Another improvement could have been a weed type plant guaranteed to grow, in order to better measure and collect results.
The Brassica rapa plants were bred to live in the colder states of America, such as Michigan and Wisconsin. Up there they have very few times it is actually warm enough for plant growth. So to take advantage of those few short moments, Dr. Williams bred a ...
Two members of the group were instructed to visit the laboratory each day of the experiment to water and measure the plants (Handout 1). The measurements that were preformed were to be precise and accurate by the group by organizing a standardized way to measure the plants. The plants were measured from the level of the soil, which was flat throughout all the cups, to the tip of the apical meristems. The leaves were not considered. The watering of the plants took place nearly everyday, except for the times the lab was closed. Respective of cup label, the appropriate drop of solution was added to the plant, at the very tip of the apical meristems.
= My aim of this investigation was to check the affect of environmental factors affecting stomatal opening. My experiment was designed to check the stomata opening in light. Plants move in ways that may not seem obvious.
Plant defences are those mechanisms employed by plants in response to herbivory and parasitism. According to Hanley et al. (2007), “the tissues of virtually all terrestrial, freshwater, and marine plants have qualities that to some degree reduce herbivory, including low nitrogen concentration, low moisture content, toxins or digestibility-reducing compounds”. The type of chemical defence may be species specific (Scott 2008). The defences that plants possess may be in the form of chemical production or in the form of physical defences such as thorns or spikes and even through reinforced, rigid leaves. “The compounds that are produced in response to herbivory can either have a direct effect on the attacker itself (e.g. toxins or digestibility reducers), or serve as indirect defenses by attracting the natural enemies of the herbivores” (Bezemer & van Dam 2005). This essay will focus on chemical plant defences and in particular the effects of terpenes, phenolics, nitrogen-based defences as well as allelopathy in plants.
The “Fast Plant” experiment is an observation of a plants growth over the span of twenty-eight days. The objective is to observe how plants grow and use their resources throughout the span of their life. In our lab we observed the Brassica rapa, a herbaceous plant in the mustard family which has a short cycle which makes it a perfect plant to observe in this experiment. Like other plants the Brassica rapa must use the resources in the environment to create energy to complete itʻs life cycle and reproduce. By observing the plant it is easy to see in what organ or function the plant is using itʻs energy and resources and if overtime the resources switch to other part of the plants. By conducting this experiment we are able to observe where and how plants allocate their resources throughout their life by harvesting plants at different points in their life.
The plants that we know today as terrestrial organisms were not always on land. The land plants of today can be linked back to aquatic organisms that existed millions of years ago. In fact, early fossil evidence shows that the earliest land plants could have arisen some 450 million years ago (Weng & Chappie 2010). Plants that used to reside strictly in water were able to adapt in ways that allowed them to move onto land. It is speculated the need for plants to move onto land was created by water drying up, causing plants to have less room and pushing them to move onto land. Although the exact cause of plant’s need to move to a terrestrial environment is unclear, it is known that plants had to undergo several adaptations to be able to live on land. These adaptations include: lignin, cellulose, suberin, and changes to plant’s surface, including the formation of a waxy cuticle.
In the lab exercise regarding plant structure and function, we examined slides containing the different kinds of roots (monocot, dicot). We labeled the parts and pointed out the different roles of each in the plant structure. Also, we examined monocot stems and dicot stems in order to familiarize ourselves with its external and internal structures. We sketched and labeled the parts of the stem and looked closely at the positions of each part. In the last part of the lab, we classified leaves into different kinds according to their leaf venation, bases of leaves, and apices of leaves. As an additional exercise, we sketched 20 animals and classified them according to phylum and class. We were also able to discover the scientific and common names of the animals. Overall, the exercises we did enabled us to familiarize ourselves with plant structure thus, gaining a better understanding for plant life and its importance.
Asexual propagation is the process through which reproduction without passage through the seed cycle occurs. The advantages of asexual propagation are that it preserves genetic makeup, propagates seedless plants, disease control, rapid production, the plants are identical, cheaper, faster and easier reducing or avoiding juvenility. The disadvantages of asexual propagation are that it increases disease and insect susceptibility, plants are bulky, and the mother plants could become contaminated. The goal of this experiment was to determine the development of adventitious roots and shoots, and observe these plants over a period of five weeks. Due to auxin being produced in the tip, tip cuttings should root faster than any other cuttings. Auxin is a plant hormone that is responsible for cell elongation and enlargement, root formation, and growth. There are two forms of auxins; phototropism, which is produced in the tip and moves downward on the side away from the light and gravitropism, which is where plant roots grow downward and plant shoots grow upward.(Plant Auxin 201...