Biology 110-12 . 1. What are the five kingdoms and give a brief description of each kingdom? Answer: Monera- Single celled prokaryotes;bacteria Protista - Mostly single celled eukaryotes; Photoautotrophs (algae) and heterotrophs (protozoa) Fungi-Multicellular eukaryotes that feed by extracellular digestion and absorption Heterotrophs: includes decomposers‚ many pathogens and parasites Plantae-Multicellular photosynthetic autotrophs producers Animalia- Diverse multicellular heterotrophs Range from
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the surface area to volume of the whole group resulting in a reduction of water loss. Woodlice are very vulnerable to desiccation. As one of the few terrestrial animals in the phylum crustacea they lack some of the structures other land dwelling arthropods
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1. If a mollusk moves by a broad muscular foot‚ it is probably a) a bivalve b) a gastropod c) two-shelled d) a cephalopod 2. A herbivorous mollusk scrapes algae from rocks and twigs with its a) radula b) poison glands c) foot d) feathery gills 3. The cephalopod that has lost its shell completely is the a) octopus b) slug c) cuttlefish d) nautilus e. squid 4. The blood of annelids typically flows a) only in dorsal vessels c. only in ventral vessels b) in a closed circulatory
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Ecology and Evolution Crystal Dillon-Reeves BIO/315 April 1‚ 2013 Howard Rubin‚ Ph.D. Ecology and Evolution Beren Robinson performed remarkable field study of threespine sticklebacks. These fish closely relate to ecology and evolution. The researchers original findings are different than that of Robinson’s field study. His hypothesis states that the threespine sticklebacks varied phenotypes are the handiwork of natural selection supporting the discrepancy in the population. Diet and the
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Exercise 1 Polymers – An introduction to Organic Chemistry Group 3 Jude Marchoni C. Tampus Meryl Marie Susan Chua Pearl Pontillas Paolo Pepito Gaia Casas I. Abstract: (Paolo) In this experiment we will be testing what would happen to the polymer when we add borax to it. A polymer is a compound made up of large molecules often in a solid state. Polymers are chemically formed by 100 to 10‚000 small molecules called "monomers". Monomers occur in molecular units or patterns
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exchange between both layers easily‚ as a sort of bridge Evolutionary Variation of Circulatory System Diffusion distance was too great of a problem Three components: Fluid Interconnecting vessels Heart Open and Closed Circulatory Systems Arthropods and most molluscs have an open circulatory system Organization of Vertebrate Circulatory System The closed circulatory system of humans and other vertebrates is often called the cardiovascular system. Total length of blood vessels is twice the
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is unaffected ) are brown-headed cowbirds IX Human Impact on Its Diversity and other Species ecologically involved Bachman ’s sparrows have no direct effect on humans. They play a key role in the food chain‚ in that they eat insects and other arthropods and keep their population down. They are not harmful to humans. Human’s logging for development affected their habitat. Their fire protection policy affected prime habitat for Bachman’s Sparrow‚ red-cockaded woodpecker‚ and other pine-grassland
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General Characteristics Flat‚ ribbon-‐ like White or yellowish Dorsoventrally flattened Few mm to several meters Sexes are not separate General Characteristics Adults are found in the intestinal tract of man Body cavity and alimentary cavity are absent Excretory and nervous systems are present Complete reproductive system is present in every proglottid Regions in Adult Worm Scolex Head Suckers
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Biology Revision summer 2012 1-Characteristics of living organisms Nutrition- taking in of nutrients which are organic substances and mineral ions ‚ containing raw materials or energy for growth and tissue repair ‚ absorbing and assimilating them . Excretion- the removal from organisms of toxic material‚ the waste products of metabolism and substances in excess of requirement . Respiration- the chemical reactions that break down the Sensitivity- The ability to detect or sense changes in the
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Biodiversity study guide 1. Briefly describe how our species started to appreciate the biodiversity of the planet (in a geographical and historical context)? Through the concept of evolution‚ ecology‚ population‚ community and the environment. Species through different periods evolve physiologically and adapting to new environments. Animals who can’t live or survive in certain regions either migrate or die. Common ancestors often link to present day organisms showing biologically and different
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