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Eukaryotic cells
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- Plants are multicellular organisms with eukaryotic cells. A eukaryotic cell is a relatively large cell with a true nucleus and other organelles that perform specific functions. Plants, protists, fungi, and animals all have eukaryotic cells.
May 18, 2024 · Plants can be divided into two groups: plants\(_1\) and plants\(_2\). Plants\(_1\) contain all photosynthetic organisms which use light, \(\ce{H2O}\), and \(\ce{CO2}\) to make organic compounds and \(\ce{O2}\). Plants\(_1\) are defined ecologically (based on their role in nature). Some plants\(_1\) can be bacteria or even animals!
- Styles of Life and Basic Chemistry
No headers. Life obtains energy in a few different ways: (1)...
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- Styles of Life and Basic Chemistry
Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.
Plants are a large and varied group of organisms. There are close to 300,000 species of catalogued plants. 1 Of these, about 260,000 are plants that produce seeds. Mosses, ferns, conifers, and flowering plants are all members of the plant kingdom.
- Plant Definition
- Plant Characteristics
- Types of Plants
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Plants are multicellular organisms in the kingdom Plantae that use photosynthesis to make their own food. There are over 300,000 species of plants; common examples of plants include grasses, trees, and shrubs. Plants have an important role in the world’s ecosystems. They produce most of the world’s oxygen, and are important in the food chain, as ma...
Plants are autotrophs; they produce their own food. They do so via photosynthesis, which is the process of making nutrients such as sugars from light energy and carbon dioxide. Photosynthesis occurs in cell organelles called chloroplasts, which contain chlorophyll and carotenoids, molecules that absorb light energy and change it into a usable form....
Charophytes
Charophytes are complex green algae such as stoneworts. They have cells with chloroplasts, cell walls containing cellulose, and store starch, as plants do. They reproduce sexually and some have sperm with flagella (tails that allow them to move), just like some plants do. Some fossil stoneworts are very similar to modern day ones.
Bryophytes
Bryophytes are nonvascular land plants. They do not have vascular tissue, which is tissue that transports water and nutrients. They are found both on land and in water. Common examples of bryophytes are mosses, liverworts, and hornworts. Bryophytes are generally very similar to algae in their lack of a vascular system. They do have parts similar to roots, stems, and leaves, but these are not the true roots, stems, and leaves found in vascular plants. Liverworts were probably the first land pl...
Seedless Vascular Plants
Seedless vascular plants produce embryos that are not protected by seeds. Instead, they reproduce via spores. Members of this group include ferns, horsetails, quillworts, clubmosses, and spikemosses. These plants used to be called pteridophytes, but this turned out to be an inaccurate group because ferns and horsetails are more closely related to seed plants than to quillworts, clubmosses, and spikemosses. Seedless vascular plants flourished during the Devonian period and in Carboniferous for...
Eukaryotic cell– A relatively large cell with a true nucleus and organelles.Chloroplast– An organelle found in plant cells that contains chlorophyll; it is where photosynthesis takes place.Organelle– A specialized structure within a cell that carries out a certain function in that cell.Alternation of generations– The alternation of diploid and haploid stages in a plant’s life cycle.1. Which is NOT a characteristic of plants? A. Asexual reproduction B. Sexual reproduction C. Heterotrophy D.Autotrophy 2. The gametophyte is ______ and produces ______ during reproduction. A. haploid; spores B. haploid; gametes C. diploid; spores D.diploid; gametes 3. Which plant is a gymnosperm? A. Pine tree B. Apple tree C. Moss D.Fern
Plants are one of the two major groups of living organisms that are an essential entity to the function of the biosphere. Plants can be found in all known parts of the earth, in all shapes and sizes. They include the green algae, mosses, ferns, ...
Sep 30, 2024 · Botany, branch of biology that deals with the study of plants, including their structure, properties, and biochemical processes. The principles and findings of botany have provided the base for such applied sciences as agriculture, horticulture, and forestry.
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3 days ago · Plant - Photosynthesis, Reproduction, Evolution: Plants (kingdom Plantae) are all multicellular and eukaryotic, and most can convert the energy of sunlight into chemical energy by means of photosynthesis; they are autotrophic and store their excess food as starch.
