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  2. Key points. Cells are the smallest unit of life. Cells in multicellular plants and animals are arranged into tissues, organs and organ systems. Levels of organisation. Video Transcript....

  3. Living organisms are classified into groups depending on their structure and characteristics. This system was developed in the eighteenth century by Carl Linnaeus. The classification of species...

    • Organism Definition
    • Types of Organisms
    • Examples of Organism
    • Related Biology Terms
    • Quiz

    An organism is a single individual, or being. While it may have many separate parts, the organism cannot survive without the parts, as the parts cannot survive without the organism. Some organisms are simple and only contain an information molecule describing how to obtain energy and reproduce the molecule. Other more complex multi-cellular organis...

    Scientists classify organisms into 3 domains and 6 kingdoms, although this has changed throughout history. There are 3 recognized domains, or broadest classification of organism. These are Bacteria, Archaea, and Eukarya.

    Bees

    Bees are an example of organisms that live socially. Many bees work to collect sugary nectar from flowers, which they store in their hive. They protect the hive and work cooperatively to build and repair it. The hive is usually attached to another organism, a tree. This is an example of a mutualistic relationship between organisms. The bees are provided a place off the ground, away from bears and other animals that want to eat their honey. The tree is provided with a source of pollination for...

    Tapeworms

    Tapeworms are an example of a parasitic organism, or an organism that feeds off of other organisms to survive. The tapeworm lives in the intestines of mammals, and feeds off the dissolved nutrients that the mammal has worked so hard to gather. Tapeworms reproduce in the gut, lay eggs in the feces, and new animals are exposed when they come into contact with the eggs, which can lay dormant in the soil for years. Parasitism is a type of relationship between organisms in which one organism benef...

    Great White Shark

    Considered the top of the food chain in the ocean, the great white shark is the ultimate predatory organism. The shark’s keen sense of smell allows it to track the scent of blood for miles underwater, leading it to wounded animals and corpses it can devour. The great white is one of only a few sharks ever documented leaping from the water in a strike on prey. Great whites often feed on seals, which are very agile and can outturn the shark. However, the sharks usually strike from below, honing...

    Organelle– A membrane-bound sac that specializes in a particular function for a cell.
    Organ– A collection of tissues, or group of cells, in the body that specializes in a particular function for the body.
    Eukaryotic– A cell with membrane-bound organelles and a nucleus.
    Prokaryotic– A cell without membrane-bound organelles or a nucleus.

    1. A single blue whale weighs almost 40,000 pounds. A colony of aspen trees that share a root system and were derived from the same seed weighs almost 13,000,000 pounds. The combined weight of all bacteria on Earth is somewhere around 1.1 x 1014, or 110,000,000,000,000 pounds. What is the largest organism on Earth? A. Blue Whale B. Aspen Tree C.Bac...

  4. Cells are microscopic building blocks of unicellular and multicellular living organisms. Animal, plant, fungal and bacterial cells are different in terms of structure but also have many...

  5. Jul 4, 2024 · The structure of an organism refers to the arrangement of its parts, including cells, tissues, organs, and organ systems, which collectively ensure its survival, growth, and reproduction. This structure can vary widely across the vast diversity of life forms, from the simplest single-celled organisms to the most complex multicellular ones.

    • what is an organism based on its structure1
    • what is an organism based on its structure2
    • what is an organism based on its structure3
    • what is an organism based on its structure4
    • what is an organism based on its structure5
  6. Aug 18, 2023 · An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and maintain homeostasis. An organism would, therefore, be any animal, plant, fungus, protist, bacterium, or archaeon on Earth. These organisms may be classified in various ways.

  7. 2 days ago · cell, in biology, the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed. A single cell is often a complete organism in itself, such as a bacterium or yeast. Other cells acquire specialized functions as they mature.

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