{"id":8565,"date":"2013-11-18T16:27:42","date_gmt":"2013-11-18T16:27:42","guid":{"rendered":"http:\/\/www.mometrix.com\/academy\/?page_id=8565"},"modified":"2026-03-25T10:50:04","modified_gmt":"2026-03-25T15:50:04","slug":"kingdom-plantae","status":"publish","type":"page","link":"https:\/\/www.mometrix.com\/academy\/kingdom-plantae\/","title":{"rendered":"Kingdom Plantae Characteristics"},"content":{"rendered":"\n\t\t\t<div id=\"mmDeferVideoEncompass_TStCos4afbE\" style=\"position: relative;\">\n\t\t\t<picture>\n\t\t\t\t<source srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/01\/circle-play-duotone.webp\" type=\"image\/webp\">\n\t\t\t\t<source srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/01\/circle-play-duotone.png\" type=\"image\/jpeg\"> \n\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" loading=\"eager\" id=\"videoThumbnailImage_TStCos4afbE\" data-source-videoID=\"TStCos4afbE\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/01\/circle-play-duotone.png\" alt=\"Kingdom Plantae Characteristics Video\" height=\"464\" width=\"825\" class=\"size-full\" data-matomo-title = \"Kingdom Plantae Characteristics\">\n\t\t\t<\/picture>\n\t\t\t<\/div>\n\t\t\t<style>img#videoThumbnailImage_TStCos4afbE:hover {cursor:pointer;} img#videoThumbnailImage_TStCos4afbE {background-size:contain;background-image:url(\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2023\/07\/updated-kingdom-plantae-characteristics-64c15cd6267db-1.webp\");}<\/style>\n\t\t\t<script defer>\n\t\t\t  jQuery(\"img#videoThumbnailImage_TStCos4afbE\").click(function() {\n\t\t\t\tlet videoId = jQuery(this).attr(\"data-source-videoID\");\n\t\t\t\tlet helpTag = '<div id=\"mmDeferVideoYTMessage_TStCos4afbE\" style=\"display: none;position: absolute;top: -24px;width: 100%;text-align: center;\"><span style=\"font-style: italic;font-size: small;border-top: 1px solid #fc0;\">Having trouble? <a href=\"https:\/\/www.youtube.com\/watch?v='+videoId+'\" target=\"_blank\">Click here to watch on YouTube.<\/a><\/span><\/div>';\n\t\t\t\tlet tag = document.createElement(\"iframe\");\n\t\t\t\ttag.id = \"yt\" + videoId;\n\t\t\t\ttag.src = \"https:\/\/www.youtube-nocookie.com\/embed\/\" + videoId + \"?autoplay=1&controls=1&wmode=opaque&rel=0&egm=0&iv_load_policy=3&hd=0&enablejsapi=1\";\n\t\t\t\ttag.frameborder = 0;\n\t\t\t\ttag.allow = \"autoplay; fullscreen\";\n\t\t\t\ttag.width = this.width;\n\t\t\t\ttag.height = this.height;\n\t\t\t\ttag.setAttribute(\"data-matomo-title\",\"Kingdom Plantae Characteristics\");\n\t\t\t\tjQuery(\"div#mmDeferVideoEncompass_TStCos4afbE\").html(tag);\n\t\t\t\tjQuery(\"div#mmDeferVideoEncompass_TStCos4afbE\").prepend(helpTag);\n\t\t\t\tsetTimeout(function(){jQuery(\"div#mmDeferVideoYTMessage_TStCos4afbE\").css(\"display\", \"block\");}, 2000);\n\t\t\t  });\n\t\t\t  \n\t\t\t<\/script>\n\t\t\n<p><script>\nfunction 2YH_Function() {\n  var x = document.getElementById(\"2YH\");\n  if (x.style.display === \"none\") {\n    x.style.display = \"block\";\n  } else {\n    x.style.display = \"none\";\n  }\n}\n<\/script><\/p>\n<div class=\"moc-toc hide-on-desktop hide-on-tablet\">\n<div><button onclick=\"2YH_Function()\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/12\/toc2.svg\" width=\"16\" height=\"16\" alt=\"show or hide table of contents\"><\/button><\/p>\n<p>On this page<\/p>\n<\/div>\n<nav id=\"2YH\" style=\"display:none;\">\n<ul>\n<li class=\"toc-h2\"><a href=\"#Definitions\" class=\"smooth-scroll\">Definitions<\/a><\/li>\n<li class=\"toc-h2\"><a href=\"#Sexual_and_Asexual_Reproduction_in_Plants\" class=\"smooth-scroll\">Sexual and Asexual Reproduction in Plants<\/a><\/li>\n<li class=\"toc-h2\"><a href=\"#Review\" class=\"smooth-scroll\">Review<\/a><\/li>\n<\/ul>\n<\/nav>\n<\/div>\n<div class=\"accordion\"><input id=\"transcript\" type=\"checkbox\" class=\"spoiler_button\" \/><label for=\"transcript\">Transcript<\/label>\n<div class=\"spoiler\" id=\"transcript-spoiler\">\n<p>Hi, and welcome to this video on <strong>Kingdom Plantae<\/strong>! Kingdom Plantae is a large and diverse group of organisms, containing over 300,000 species of plants. Today, we\u2019ll look at plants\u2019 unique features that allow us to eat and breathe, and we\u2019ll talk about how to classify them<\/p>\n<p>Let\u2019s get started!<\/p>\n<h2><span id=\"Definitions\" class=\"m-toc-anchor\"><\/span>Definitions<\/h2>\n<p>\nFirst, let\u2019s talk about what plants are. Plants are <strong>eukaryotes<\/strong>, meaning they have a nucleus and other organelles in their cells that carry out cellular processes that keep the plant alive.<\/p>\n<p>They also have a cell wall, which is made up of cellulose and helps maintain the integrity of the cell and the plant\u2019s overall structure. Unlike animals, plants are considered <strong>autotrophs<\/strong>, meaning they are responsible for making their own food. They use energy from the sun to convert carbon dioxide and water into glucose, as well as oxygen as a byproduct.<\/p>\n<p>This process, which is unique to plants, is <strong>photosynthesis<\/strong>.<\/p>\n<p>Now, let\u2019s think about how plants are grown. Where does the growing process start? You\u2019re probably most familiar with plants that are grown from seeds that were produced by a \u201cparent plant\u201d. However, there are lots of plants that do not grow from seeds, and instead grow from alternative sources. We\u2019ll come back to those in a second. Plants that do have seeds can be classified as either gymnosperms or angiosperms. <\/p>\n<p><strong>Gymnosperm<\/strong> basically means \u201cnaked seed\u201d, so these plants have an exposed seed, like pine trees or sago palms.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Gymnosperms.webp\" alt=\"\" width=\"2560\" height=\"1440\" class=\"aligncenter size-full wp-image-211591\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Gymnosperms.webp 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Gymnosperms-300x169.webp 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Gymnosperms-1024x576.webp 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Gymnosperms-768x432.webp 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Gymnosperms-1536x864.webp 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/Gymnosperms-2048x1152.webp 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<p><strong>Angiosperms<\/strong> have seeds that are enclosed within an ovary, like a tomato or a peach.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/angiosperms-65a58a46a1246.webp\" alt=\"\" width=\"2560\" height=\"1440\" class=\"aligncenter size-full wp-image-211783\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/angiosperms-65a58a46a1246.webp 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/angiosperms-65a58a46a1246-300x169.webp 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/angiosperms-65a58a46a1246-1024x576.webp 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/angiosperms-65a58a46a1246-768x432.webp 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/angiosperms-65a58a46a1246-1536x864.webp 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2024\/01\/angiosperms-65a58a46a1246-2048x1152.webp 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<p>Gymnosperms are non-flowering plants, while angiosperms are flowering plants and can be further divided into two groups\u2013monocotyledons and dicotyledons. <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89632\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-3-correct.png\" alt=\"Image of the differences between monocots and dicots. \" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-3-correct.png 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-3-correct-300x169.png 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-3-correct-1024x576.png 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-3-correct-768x432.png 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-3-correct-1536x864.png 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-3-correct-2048x1152.png 2048w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/p>\n<p><strong>Monocots<\/strong> get their name from having only one cotyledon, a specific part of the seed that grows leaves. They have long, narrow leaves with parallel veins and flowers with petals that are in groups of three or multiples of three. Their roots form a network of fibrous roots that all arise from the stem of the plants. Grass and bamboo are both examples of monocots.<\/p>\n<p><strong>Dicots<\/strong> get their name from having two cotyledons rather than one. They have oval-shaped leaves with net-like veins and petals in groups of four or five. They have one main root called the taproot, with smaller roots branching off of it. Oak trees and roses are both examples of dicots.<\/p>\n<p>As I mentioned before, some plants, like ferns and moss, don\u2019t have seeds, so they have to reproduce in other ways. Some reproduce asexually with spores, rhizomes, budding, and other methods that we\u2019ll talk about a little later.<\/p>\n<p>Another way to classify plants is based on their <strong>vasculature<\/strong>. Vascular plants have roots and non-vascular plants don\u2019t. Vascular plants, like dogwood trees and potatoes, have special vascular tissues that run all the way from the roots to the edges of the leaves, carrying water and other nutrients to the rest of the plant. There are two types of vascular tissues: xylem and phloem. <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89629\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-4.png\" alt=\"Image of vascular tissues in plants.\" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-4.png 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-4-300x169.png 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-4-1024x576.png 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-4-768x432.png 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-4-1536x864.png 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-4-2048x1152.png 2048w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/p>\n<p>Xylem is primarily responsible for transporting water and dissolved minerals unidirectionally from the roots to stems and leaves. This tissue also helps support the plant. Phloem transports dissolved sugars and other nutrients bidirectionally through live cells for the purpose of transporting energy from photosynthetic parts of the plant to non-photosynthetic areas, like root cells. Non-vascular plants, like moss, don\u2019t have roots and instead absorb water through osmosis.<\/p>\n<h2><span id=\"Sexual_and_Asexual_Reproduction_in_Plants\" class=\"m-toc-anchor\"><\/span>Sexual and Asexual Reproduction in Plants<\/h2>\n<p>\nWe can also classify plants based on their means of reproduction. Specifically, flowering plants or angiosperms can be bisexual, meaning they have both male and female features, or unisexual, meaning they have either male or female features. Stem-like structures called stamen are considered to be the male feature in plants. The end of the stamen is called the anther, and this is where pollen is produced. Pollen contains sperm, so in order to form a proper plant zygote, we also need a female gamete. The carpel serves as the female reproductive organ and contains a stigma, style, and ovary, which contains the egg.<\/p>\n<p>Plants can be fertilized by self-pollination, where a bisexual plant will release pollen and land on its own stigma. Or they can fertilize through cross pollination, where bisexual or unisexual plants will release pollen that lands on another plant\u2019s stigma. This occurs by pollinating agents like bees, wind, and rain. When pollen meets with the stigma either by self-pollination or cross-pollination, the sperm in the pollen is able to travel down into the pollen tube, which punctures an opening in the ovule so the egg can be fertilized. The fertilized egg becomes the seed and is able to germinate and form another mature plant over time. <\/p>\n<p>Let\u2019s look at how a plant reproduces sexually in a little more detail.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-89623\" src=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-5.png\" alt=\"Diagram of how a plant reproduces sexually. \" width=\"777\" height=\"437\" style=\"box-shadow: 1.5px 1.5px 3px grey\" srcset=\"https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-5.png 2560w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-5-300x169.png 300w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-5-1024x576.png 1024w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-5-768x432.png 768w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-5-1536x864.png 1536w, https:\/\/www.mometrix.com\/academy\/wp-content\/uploads\/2021\/08\/Plants-5-2048x1152.png 2048w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" \/><\/p>\n<p> Plants are unique in that they have two generations: a <strong>sporophyte generation<\/strong>  and a <strong>gametophyte generation<\/strong>. Sporophytes are diploid cells that will undergo meiosis to produce haploid spores. These spores will then undergo mitosis to form the haploid gametophyte generation. Unlike animal cells that undergo mitosis to go from haploid to diploid, the haploid spores undergo mitosis to produce haploid gametes which are genetically identical. The gametophyte will produce haploid sperm and egg gametes. So when the sperm gamete fertilizes the egg gamete like in our pollen example, it results in a diploid zygote. From here, the zygote can undergo mitosis as usual to form more sporophytes.<\/p>\n<p>Some plants don\u2019t have to reproduce sexually. Instead of having distinct male and female anatomy or seeds of some kind, some plants will reproduce asexually in a variety of ways. The most common method is called <strong>fragmentation of vegetative propagation<\/strong>. Parts of the parent plant will separate and form new plant offspring. These new plants will form their own root systems and continue to grow until they need to repeat the process. We see this with weeds like dandelions or with rhizome and bulb-based plants like potatoes and tulips respectively.<\/p>\n<p>Rhizomes and bulbs form nodes from the parent plant underground and send shoots to the surface. Rhizomes, however, form a horizontal system of many connected nodes while bulbs form independently of one another. Although most plants that reproduce asexually are seedless, there are exceptions. Some plants like blackberries have seeds and reproduce asexually. Mosses are another exception\u2013they can reproduce both sexually and asexually.<\/p>\n<hr>\n<h2><span id=\"Review\" class=\"m-toc-anchor\"><\/span>Review<\/h2>\n<p>\nOk, now that we\u2019ve covered everything, here\u2019s a quick recap!<\/p>\n<p>Plants are eukaryotic organisms that perform photosynthesis to create glucose and oxygen. Vascular plants have leaves, stems, and roots, while nonvascular plants rely on osmosis to absorb water. Many plants reproduce by seeds, but some use spores or reproduce asexually via vegetative reproduction.<\/p>\n<p>That\u2019s all for this review! 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