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This content explores the defining characteristics of the 5 biological kingdoms, highlighting distinctions in cell structure and energy acquisition. Animalia, Plantae, Fungi, Monera, and Protoctista are examined in terms of their cellular composition and energy-generating processes. From the eukaryotic cells of Animalia to the chitin cell walls of Fungi, each kingdom's unique features and methods of obtaining chemical energy are elucidated. The varying reproductive strategies, growth phases, and nutrient absorption mechanisms within these kingdoms are also outlined. Discover how these kingdoms are categorized and what sets them apart in the realm of biology. 8
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What defines each kingdom and how we tell them apart Separating The 5 Kingdoms
Have cells with a membrane bound nucleus, so they are eukaryotic Get chemical energy from consuming external products, can eat or engulf, e.g. cover the food and break it down inside the cell. Always start as a sperm joining with a egg and form a zygote in early development. Animalia
Have membrane bound nucleus with a cell wall made from cellulose. Photosynthesise, make food from water, carbon dioxide and the sun The more carbon dioxide around them, the faster they can photosynthesise and therefore grow faster All plants as a embryo All go through 2 phases, the embryo phase and the growing phase Plantae
All are have 1 or more cells Have a membrane bound nucleus with Their cell wall is made from chitin Most develop from a spore Break down their food out side their body using enzymes and then absorb it through their cell membrane Are able to reproduce by them selves Fungi
Membrane bound cell without a necleus(prokaryotic) Most are bacteria It is estimated that we only know 5 - 10% of them Most can only be seen with a microscope Most are single celled Cause illnesses Evolve fast due to their short life spans They binary fission, 1 splits into 2, 2 splits into 4 etc. Cell wall made from carbohydrate and protein. Monera
One or more cells Membrane bound nucleus Photosynthesise but aren’t plants Can be microscopic but also can be big Are things that don’t fit easily into any other category Protoctista