Seas and oceans provide various types of resources to human beings and habitats to numerous species of plants and animals. They play very important roles in the economy of a nation and its people. Still‚ the marine and coastal ecosystems are under severe stress due to human activities. Ocean Resources The ocean is one of Earth ’s most valuable natural resources. It provides food in the form of fish and shellfish—about 200 billion pounds are caught each year. It ’s used for transportation—both travel
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Cnidarians Cnidaria is a phylum containing some 11‚000 species of simple animals found exclusively in aquatic‚ mostly marine‚ environments. Cnidarians get their name from cnidocytes‚ which are special cells that carry stinging organelles. The corals‚ which are important reefbuilders‚ belong here‚ as do the sea anemones‚ jellyfish‚ sea pens‚ sea pansies and sea wasps. The names Coelenterata and Coelentera were once applied to the group‚ but those names included the Ctenophores‚comb jellies
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densely covered in leaves that are 4cm in length. The stems could be up to 1 metre in length although this club moss is no longer living. Baragwanthia evolved from the water depending algae‚ What isn ’t clear is whether there was a single precursor land plant‚ and the evolutionary path that was followed between the algae
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3 Point/Proof/Significance Assignment Why the story about the animals is not true: 1. Point : Richard Parker’s body would atrophy and he would eventually die. Proof: Richard Parker would not survive the 227 days stranded on the lifeboat. He is sitting for majority of the day on a lifeboat and getting no exercise besides walking in a circle. Now this 450 pound tiger needs exercise and they normally get it from hunting prey in their natural habitat. However in a lifeboat he is not capable
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at a crime scene. One of these fields is forensic palynology‚ the study of pollen and spore evidence to help solve criminal cases 2)A spore is another kind of reproductive structure that can develop into an adult that is found in certain protists (algae)‚ plants‚ and fungi 3)The use of both pollen and spores in forensic studies is based on Locard’s principle of exchange POLLEN PRODUCERS 1)Knowledge of pollen (and spore) production is an important factor in the study of forensic palynology 2)By understanding
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Review all chapters in your exercise manual beginning with the introduction INTRODUCTION: (Covered 9.4.14 II Week 1) Biosafety levels1: basic level of containment. Hand washing or wearing gloves 2: Appropriate for working with human body fluids. Autoclave‚ sharps containers‚ lab coats 3: appropriate for working with pathogens that can be transmitted via respiratory route. Self-closing‚ double doors and sealed windows 4: Highest level. Aerosol pathogens; pathogens with no vaccine/treatment. Separate
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Biological Science‚ 4e (Freeman) Chapter 1 Biology and the Tree of Life 1) Which of the following statements about cells is true? A cell is _____. A) only found in multiples of two‚ because single cells cannot exist independently B) always between 200 and 500 micrometers in diameter C) characteristic of eukaryotic but not prokaryotic organisms D) characteristic of both prokaryotic and eukaryotic organisms Answer: D Reference: Section 1.4 Bloom’s Taxonomy: Level 1 Knowledge 2)
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| It has an operculum like many other organisms. It opens and closes it to keep out enemies. | Feeding | During high tide they move around the rock platform and scrape algae and lichens off the rock surfaces. They often travel as far as twelve metres in search for food. | Noddiwinkles are herbivores that scrape up the algae on rock surfaces. | Similar to other
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which zone. Also the tide range and time of exposure out of the water. 5. What plants are found in each zone? Be specific on listing them •Splash-Grass •Upper-Algae •Middle-Brown Rockweeds •Lower-Irish Moss‚ algae 6. What is the name of a plant-like species found in rocky shores? The plant like species found in the rocky shore is called algae. 7. In which zone of the rocky shore would you most likely find only grasses and patches of lichens? You most likely find only grasses and patches of lichens
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Module 04 Homework Assignment Use the information presented in this module along with additional outside research to answer the questions: 1 Discuss the two methods of viral replication. The two methods of viral replication are done in animal viruses. The first method deals with DNA viruses and the second is RNA viruses. In the DNA virus‚ the viral DNA enters the nucleus of the host cell. Than it is transcribed into mRNA and leaves the nucleus into the cytoplasm. The early mRNA then translates
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