Biology Archives - Page 6 of 6 - Earth Site Education

Sydney Funnel-web Spider: The Deadly Arachnid Lurking in Australia’s Backyard

The Sydney Funnel-web Spider (Atrax robustus) is widely regarded as Australia’s most dangerous arachnid. Found primarily in the Sydney region, this spider is known for its highly venomous bite, which can be fatal if left untreated. Understanding the dangers posed by this spider is of utmost importance, as it can help individuals take necessary precautions […]

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Arachnophobia Alert: The Deadly Bite of the Brazilian Wandering Spider (Phoneutria spp.)

The Brazilian Wandering Spider, also known as the banana spider or armed spider, is a highly venomous spider that is native to South and Central America. It belongs to the genus Phoneutria, which means “murderess” in Greek, and is considered one of the most dangerous spiders in the world. The spider gets its name from

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Cells Test – Cell Structure Test

Your Cells Test may take a minute to load. If you have to navigate away from this page for any reason, don’t worry, you will have the option to resume your test from the point you left upon your return. The test may have multiple choice, multiple answer or true/false questions and

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Animal Phylum – Phyla

Kingdom Animalia – Phylum (Phyla = plural): (within the animal kingdom there are some 36 phyla but of these phyla there are nine that are most commonly used. These nine are listed first) What are Phyla or Phylum? The Most Common Phyla Annelida Arthropoda or Arthropods Chordata Cnidaria Echinoderms Mollusca Nematoda Platyhelminthes Porifera Less Common

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Taxonomy – The Classification of Organisms

Taxonomy is a branch of biology concerned with the classification of organisms into groups such as Kingdom, Phylum, Class etc. History of Taxonomy Modern Taxonomy History of Taxonomy Over the ages many people have set out to categorise the world around us for various reasons. Plants, and in particularly herbs, were categorised by

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Mammals

The term Mammals is the name given to a group of animals that produce milk for their young (in mammary glands) which currently accounts for 5,000 species. What are Mammals? Rise of mammals Common characteristics Hair Three Middle Ear Bones Milk Production from mammary glands Orders of Mammals What are

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DNA

Deoxyribonucleic acid or DNA is found in every cell of every living organism on the planet. It is the code which contains the genetic makeup of the organism. The Structure of DNA Polynucleotides Dideoxynucleic acid molecule consisting of three components: a nitrogenous base, either a purine or pyrimidine; a pentose sugar,

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Cells and Cell Structure

The term organism means anything that is living and all organisms whether they are plant, animal, bacteria are made of microscopic cells, each type with unique cell structure. Common Characteristics of all cells Cytoplasm Plasma Membrane Ribosomes Types of Cells Prokaryotic Cells Bacteria cell Pili Plasmids Nucleoid Bacteria Cell Wall Capsule Prokaryotic Flagellum Eukaryotic

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