Seed Germination and Dispersal in Plants
Discover the intriguing world of seed germination and dispersal in plants, exploring the essential conditions for germination, methods of seed dispersal, and the stages of germination. Uncover the structural importance of seed leaves and learn how different plant species reproduce through various dispersal strategies.
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Presentation Transcript
Germination What does a seed need to germinate? * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Structure of a seed Inside a seed you find an embryo plant which is attached to one or two seed leaves. The proper name for a seed leaf is a cotyledon There are two main groups of plants those that have one seed leaf and those that have two. What might be inside the seed leaf? * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
What conditions are needed for germination? Light Dry Light Wet Dark Dry Dark Wet * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
The stages of germination * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
* ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Seed dispersal How do plants reproduce? * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Plantlet reproduction Spider plants, amongst others, send out stems which produce plantlets, these baby plants then try to root themselves * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Acorns fall from the tree and sprout If they are not destroyed by animals, white oak acorns can sprout rapidly after falling from the tree. wqual--frgerminating16842 * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Animal dispersal by hooked fruits Some species of plant use hooks on their fruits to attach themselves to the fur of mammals or feathers of birds warmi2-fl28614 * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Animal burial Hard nuts are usually destroyed if chewed or eaten. wcaov2-frnut15894 However, animals such as squirrels may store them to eat later and forget to go back to get them, giving them a chance to germinate. On rare occasions, birds such as blue jays can transport acorns long distances. * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Soft fruit dispersal Fleshy fruits wmoru2-frcloseup11062 The seeds of many plants are dispersed after passing through the digestive system of animals that have eaten the fleshy fruits. * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Wind dispersal Some plants, such as the dandelion, have seeds that act as parachutes, which are carried away by the wind wtrdu--fr25551 wassy--frseeds30744 * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Spinning dispersal wacru--frsamaras10495 Maple fruits are winged, two-seeded pods. They spin like helicopters as they fall from the tree, providing a longer time for dispersal by wind. * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Exploding seeds Some seed pods dry out and then explode shooting the seeds over long distances * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Shaking Some seed pods are a bit like a pepper pot. The wind shakes the seeds out. * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Seed helicopters * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
Which length of wings makes the best seed helicopter? * ** *** Name methods of seed dispersal Match seed shape to method of dispersal Find out which is best shape for seed dispersal
