In contrast, cross-pollination—or out-crossing—leads to greater genetic diversity because the microgametophyte and megagametophyte are derived from different plants. Summarize: Follow the directions in the Gizmo to observe the steps of self pollination. Pollination flower to fruit gizmo answer key. Activity B continued on next page). Many flowers contain both male and female organs, but otherscontain only male or female pollination, pollen grains are transferred from the anther to the stigma. A sweet liquid produced by a flower that attracts pollinators: bees, butterflies, hummingbirds etc.
The Student Exploration sheet contains two activities: Activity A – Students label a diagram and match flower parts to their functions. Later the deer will deposit the seeds in a different location. How do you think pollination takes place in flowering plants? Many have been replaced with large scale cross functional systems that integrate. Sample answer: The petals of wind-pollinated flowers will probably not be as brightly colored as the petals of animal-pollinated flowers. It consists of two structures, a long, thin filament topped by an anther. Share this document. Identify the following parts from their descriptions. © © All Rights Reserved. Upon transfer, the pollen germinates to form the pollen tube and the sperm for fertilizing the egg. Pollination Flower to Fruit Gizmo.docx - Name: Ahmad, Khan Date: Student Exploration: Pollination: Flower to Fruit Prior Knowledge Question (Do this | Course Hero. Describe the process of self-pollination and cross-pollination. 4 The petals fall off of the flower.
Prior to using the Gizmo ( 10 – 15 minutes)Before students are at the computers, pass out the Student Exploration sheets and askstudents to complete the Prior Knowledge Questions. You cancreate a butterfly garden by using plant varieties that are preferred by butterflies. You're Reading a Free Preview. Redline 3 Unit 2 outdoor-what must you be lik…. Other plant species are pollinated by abiotic agents, such as wind and water. Many plants, such as cucumber, have male and female flowers located on different parts of the plant, thus making self-pollination difficult. Activity A: Flower anatomy Get the Gizmo ready: On the IDENTIFICATION tab, select Opened view. Label the last two structures in the Gizmo and in the diagram above. 4. is not shown in this preview. Bright colors, distinctive petal shapes, attractive scents, and storesof nectar within flowers attract pollinators such as bees, butterflies, hummingbirds, and evenbats and lizards. Topics to be Covered CO Map ped Lec t Date Topics Covered CO Achi eved 6 11 Aug. 0. Pollination flower to fruit gizmo answers.com. document.
3 Damon Centola et al Experimental evidence for tipping points in social. After a pollen grain moves from the anther to the stigma, a pollen tube grows through the style to an ovule. These petals might also be smaller and less conspicuous. Pollination of fruit trees. The pollen grains areproduced in the anthers that are located at the top of a long filament. Think and discuss: Think about what might happen to an apple when a deer finds it.
Options Percentage 1960784314 10 51 Agree 6078431373 31 51 Neutral 3921568627 2. The seeds will then germinate in the new location. ] Plants provide animals with fruit because animals help to spread a plant s seeds. Rafflesia is native to the jungles of Southeast Asia and is rarelyseen in the many ways, Rafflesia is more similar to a fungus than a plant. Self-pollination leads to the production of plants with less genetic diversity, since genetic material from the same plant is used to form gametes, and eventually, the zygote. This can be accomplished in severalways. Once theplants are established, students can observe the garden and gather data on whichbutterflies visit the ientific BackgroundThe angiosperms, or flowering plants, first appeared in the Cretaceous period, about 140 millionyears ago. 50% found this document useful (4 votes). To familiarize yourself with some of the parts of a flower, begin on the IDENTIFICATION tab. 4 Let f 0 1 1 2 defined as fx 1 x and g 1 2 0 1 defined as gx 2 x then the. Report this Document. Activity B (continued from previous page) 3. Many petals are brightly colored to attract animal pollinators.
This has the dualadvantage of dispersing the seed and planting it in a fertile pile of animal ology Connection: One stinky flowerThe world's largest single flower is Rafflesia arnoldii, nicknamed the ―corpse flower‖ because itemits the stink of rotting flesh. Students are not expected to know the answers to the Prior Knowledge Questions. ] Some flowers have developed physical features that prevent self-pollination.