are mostly saprophytic (cause the decay of organic matter).usually multicellular, but some can be unicellular.It is multinucleate (has multiple nuclei). The cytoplasm is surrounded by a wall of chitin and the cytoplasm is not divided into cells. example mammals, fish, amphibians, insectsįungi - The fungi are a group of organisms in which the body consists of a mycelium – a network of strands called hyphae.have fertilized eggs that develop into a ball of cells called a blastula.example flowering plants, conifers, mossesĪnimals - The animals are multicellular organisms that gain nutrition by digesting organic matter (heterotrophic).produce multicellular embryos from fertilized eggs.have cells which are surrounded by a cellulose cell wall.Plants - The plants (correctly, ‘green plants’) are all multicellular and are photosynthetic. Describe: Give a detailed account or picture of a situation, event, pattern or process.For each group describe examples and their features as follows (details of life cycle and economic importance are not required): Frogs and butterflies have body shapes that look completely different during different stages of development.ĭescribe the common features shared by organisms within the following main groups. During these stages, the human body changes. Humans pass through different stages as they mature from childhood to adulthood. Many living things don’t just get larger as they grow. When a multicellular organism grows, the number of cells in its body increases and the organism getsīigger.
When a living thing grows, it gets larger and then divides, Growth depends on anabolic pathways that build large, complex molecules such as proteins and DNA, the genetic material. All living things grow during some period of their lives. You yourself started out as a single cell and now have tens of trillions of cells in your body. Individual cells become larger in size, and multicellular organisms accumulate many cells through cell division. Living organisms also have the ability to rebuild and repair themselves when injured. Living organisms undergo regulated growth. This means more than just getting larger in size. Most of the organisms you are familiar with, however, are multicellular, meaning they are made up of many cells Organisms consisting of only a single cell are called unicellular. Most cells can perform all the functions we associate with life. Each cell is a collection of living matter enclosed by a barrier that separates the cell from its surroundings. Living things are made up of small self-contained units called cells. This energy, in the form of food, is transformed to maintain metabolic processes and for survival. Life can also "work." No, not the daily employment variety, but living creatures can take in energy from the environment.
We're all familiar with the intricate systems of the basic unit of life, the cell. Organisms have an enormously complex organization. On a basic level, we can say that life is ordered. Living things include both the visible world of animals and plants, as well as the invisible world.
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