As a member, you'll also get unlimited access to over 75, lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed. Login here for access. Log in or sign up to add this lesson to a Custom Course.
Login or Sign up. You've probably come into contact with spores before. Have you ever walked into your bathroom and noticed a musty smell? And then looked to see a glaze of green and black on the shower curtain?
You might remember hearing news stories on the dangers of mold and how it can infect your lungs and cause allergies and other nasty illnesses. But it's not just the mold that can make you sick; it's the spores. Spores are the single-celled reproductive unit of nonflowering plants, bacteria, fungi, and algae.
Basically, spores are the babies, except they didn't need a mom and a dad. Not all life forms reproduce sexually. Many, such as fungi and bacteria, reproduce without mating at all.
Instead, they produce hardy structures known as spores that are often adapted for dispersal from the main plant or fungus. Spores can last a very long time in some nasty conditions. Spores are the reproductive structure of the 'lower plants,' plants that don't flower.
Fungi, algae, and even some bacteria all form spores when they want to pass their genes on. Think of them like seeds; they are made to grow a new plant and all they need is the proper environment to Formation spores asexual reproduction in bacteria. Spores are an asexual form of reproduction; the plant or fungus doesn't need to mate with another plant or fungus to form these particles.
A spore is typically a single cell surrounded by a thick cell wall for protection. Once the spores are formed, the organism releases them into the environment to grow and thrive.
Spores are often formed through a process called sporogenesiswhich just means the production of spores, and is accomplished through mitosis, or cellular reproduction. Once a
Formation spores asexual reproduction in bacteria is produced, it needs to get out into the world where it can grow and thrive. It does this through dispersal adaptations in the spore, which are different features which allow the spore to travel.
Some spores are so light they get picked up by the wind and blown to a new place. Other spores ride on the currents of rivers and streams. Still others get shot out into the air by the fungus which made them, or placed in a fragile container that bursts open when touched.
Spores are very common and depending on the type of organism that made them, they can look and act very different. Spores can be classified in many different ways based on their structure, where they come from, and how they move about the world. Plant spores are produced by the organisms we can usually recognize. The major types of plants that form spores Formation spores asexual reproduction in bacteria algae, mosses, and ferns. Algae are the simplest of these plants, and can range from tiny, single celled things to large, multi-celled plants that cover your backyard pond.
The spores from all algae are very tiny, even if the algae plant is huge. In fact, most algal spores are as small as the period at the end of a sentence. No wonder we can't see them very well!
These spores tend to disperse through water and group together in large masses until they reach a good environment. Mosses produce spores that are a little bit bigger than algal spores. These spores tend to be found in areas where mosses are common and are dispersed by being shot into the air, carried on the wind, moved by insects, or splattered by rain drops.
Get FREE access for 5 days, just create an account. Ferns are probably the most well-known spore-producing plants. Just look beneath the long leaves, and you'll see lots Formation spores asexual reproduction in bacteria brown dots. Those are the spores, just waiting to be sent into the world. There are over 15, species of fern on Earth today and all of these reproduce using spores.
Fungi are very complex organisms. The fungi you might know best are mushrooms, but many, many types of fungi exist out in the world. These organisms reproduce using spores, and the spores are very complex and differ from fungal species to fungal species.
Fungal spores are classified based on their shape and where in the fungus they are produced. We won't go into all the different types of fungal spores out there, though there are some scientists who spend their life just studying this aspect of mycologyor the study of fungi. Fungal spores can be spread around through all manner of dispersal mechanisms, from floating on the air, to riding the waves, to being carried by animals.
Bacterial spores are slightly different from other spores we've looked at. While plant and fungal spores are exclusively meant for reproduction, bacteria can use spores for either reproduction or for survival under harsh conditions.
Certain groups of bacteria will produce spores when they are exposed to very hot, very cold, or very Formation spores asexual reproduction in bacteria environments.
These spores protect the inner workings of the bacterium and can stay dormant for many, many years. Recently, researchers discovered bacterial spores deep under ice in Antarctica that are approximately 3, years old! The bacterial spore is a very hardy cell and allows a bacterial cell to survive under even the worst conditions. Spores are single-celled reproductive units produced by many different organisms, including plants, fungi, and bacteria.
Spores are primarily used for asexual reproduction, although some bacterial groups use spores to survive harsh conditions. To unlock this lesson you must be a Study. Did you know… We have over college courses that prepare you to earn credit by exam that is accepted by over 1, colleges and universities. You can test out of the first two years of college and save thousands off your degree.
Anyone can Formation spores asexual reproduction in bacteria credit-by-exam regardless of age or education level. To learn more, visit our Earning Credit Page. Not sure what college you want to attend yet? The videos on Study. Students in online learning conditions performed better than those receiving face-to-face instruction. By creating an account, you agree to Study. Explore over 4, video courses. Find a degree that fits your goals. They are produced by nonflowering plants, bacteria, fungi, and algae, and are often able to travel over long distances.
Some bacteria also produce spores as a way to survive very harsh conditions. Start Your Free Trial Today. An error occurred trying to load this video. Try refreshing the page, or contact customer support. Register for a free trial Are you a student or a teacher? I am a student I am a teacher. It only takes a few minutes to set up and you can cancel at any time. What teachers are saying about Study. What Is Pollination in Plants?
Are you still watching? Your next lesson will play in 10 seconds. Add to Add to Add to. Want to watch this again later? A Fern Life Cycle: Plant Reproduction Without Flowers or Seeds. Plant Reproduction Lesson for Kids. Asexual Reproduction Lesson for Kids.
Vegetative Propagation and Bulbs. The Gametophyte and Sporophyte. Prentice Hall Earth Science: Holt McDougal Earth Science: ScienceFusion Matter and Energy: Spores, for the most part, are units of asexual reproduction.
Definition You've probably come into contact with spores before. What Good Are Spores? Types of Spores Spores are very common and depending on the type of organism that made them, they can look and act very different. Plant Spores Plant spores are produced by the organisms we can usually recognize.
Want to learn more? Select a subject to preview related courses: Spores, for the most part, are units of asexual reproduction. They are produced by nonflowering plants, bacteria, fungi, and algae, and are often Once the spores are formed, the organism releases them into the environment to grow and.
In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many Formation spores asexual reproduction in bacteria, algae, fungi and protozoa.
Bacterial spores are not part of a sexual cycle but are resistant structures are produced internally and the megaspores. Asexual reproduction is a type of reproduction by which offspring arise from a single organism, Only prokaryotes (the archaea and the bacteria) reproduce asexually through binary fission.
Fungi and some algae can also utilize true asexual spore formation, which involves mitosis giving rise to reproductive cells called.