Blogpost #6 - Jolene H There was not very much growth in the plant. It looks similar to last time but there are more holes from the snails and they are starting to turn a bit yellow. It has gotten a bit bigger because of photosynthesis . The cells inside the plant grow larger with the sun and then split up in twos. This is called mitosis . Duplicating takes a lot of energy. The PKG is an enzyme that helps turn the sunlight energy into chemical energy to help biomass . Cellular respiration is the process of oxidizing food molecules, like glucose, carbon dioxide and water. The released energy is trapped in the form of ATP for use by all the energy consuming activities of the cell . All these things are needed to keep a plant alive and healthy.
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Blogpost #8 - Jolene Hayes The plant has doubled in size. It is about 18 inches tall, with leaves that are 7-10 inches. It has gotten wider and is now 21 inches wide. The color has changed, too. Before, it was yellow and looked unhealthy. Now, it is turning into more of a grey color. the leaf stems and the stock are a purple color. The plant has a dry texture. I noticed that the leaves have very small thorns on it, which is a defense mechanism to keep bugs away. It is starting to flower a lot more. These traits (height, color) are examples of natural variations. With selective breeding , the plants get natural variations . The plants genes determine the species but there will still be variations because every plant is different. All of the plants in the garden I saw had different variations. The other plants had different leaves and sizes. Some plants were as small as 8 inches, while others were about 20 inches. With descent with modification , the Brassica plant can have 7 varia
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Blogpost #7 - Jolene Hayes Flowers in the Aster or Asteraceae family, including every dandelion species, have a flowered head. The base of the dandelion head is made up of involucre which is a bunch of green bracts. Ligules is what the petals of the dandelion flower are called. The fuzzy ring at the end of a flower is pappus. The pappus develops into a feather like seed. The traits of the pappus are what is needed to seperate the species in this family. There is a very tiny tube inside with nectar. The stigma grows up through the tube where the ovary and pollen are. It is protected by the anthers. The stigma can split in two at the end of it.
blog post 8 --- Sophia Andrakin
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1.) a.) Which part (anatomy) or characteristic of the Brassica oleracea plants seems to exhibit the most variation (greatest number of different forms)? When I was looking around at period 4 plants. The main thing that really popped out at me was the sizes of all the different plants. Their was some plants that were 27 inches tall and others that were just 5 inches. Then their were some plants that were in between those to heights. Also, their was were the leaves were placed on the plants. The really small ones had their leaves were compacted into a little ball. On the tall ones their were only a handful of leaves on their, and they are all spread out. Then the plants that were the average height had a lot of leaves but they were not all compacted like the small ones. They were open and sticking out. b.) Which part or characteristic of the Brassica oleracea plants seems to show the greatest range of variation (biggest difference between one extreme and its oppos
Blog post #7 -Sophia
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Fertilization in a any type of flower. It happens when 2 flowers ( one male and one Female) take their 2 haploid cells and come together to create a diploid zygote. The gamete cells each has one pair of their parents chromosomes. The only way to grow an embryo is that the 2 haploid cells have to come together as one. Each different flowers as it own pistil (female part) and a stamen (male part). Even though every flower has these 2 parts they still need a pollinator (bee or the wind for example) to carry the pollen grain (sperm) to another flowers pistil. the pollen grain starts its journey on the anther (the top of the stamen) and is full of the flowers sperm. Then it waits for a pollinator to come down ,and when it starts to rub up against the anther it's letting the pollen grain stick to them. Then it stays on their until the pollinator travels to another plant. Here the grain sticks to the stigma of that plant and stretches or shrinks the pollen tube depending on the
blog #6
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When I went to go look at my plant after many weeks, to my surprise I did not see much growth from our plant. It has not grown as much as I would like and the bottom leaves are starting to turn yellow and thanks to our snails they have holes all over it. Even though it looks like it has been slowly dying it has grown little. Some of the main resume why the plant has been able to grow from a seed smaller than the ball of a ball point pen to a 2-3 foot wide plant. Well... there are actually a couple reasons. The main resumes is that when the cells in a plant are active(when the plant is not died) the cells start to grow larger so they will have to start splitting themselves into 2 different cells. This processes is called mitosis.In order for the plant to go though this over and over again with all of their cells duplicating it takes lots of energy which the plants get my doing cellular respiration and photosynthesis. In photosynthesis happens in the chloroplast. Wh