The Orangespotted Sunfish (Lepomis humilis) is often confused with other sunfishes. This species is classified in the class Actinopterygii‚ order Perciformes‚ and family Centrarchidae. One characteristic that makes them stand out from other fishes are their black and orange spots. Also‚ their operculum is lined with a solid white band. Nine to ten bars can be identified on this fish. The bars on the female have a light center‚ which is a way of gender identification when the males are outside of
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purple balloons‚ attached them to my clothes‚ and walked around as a ...........of grapes. 164. While diving in the ocean‚ I came upon a large .........of oysters. 165. My sister and I watched for hours how an entire ...........of ants moved their larvae from one tunnel to another. 166. As we parked along the cliff overlooking the valley‚ we could hear the distinct call of a ............ of wolves. 167. Uncle Wily has a farm with two horses‚ 5 cows‚ three pigs and a ...............of
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Genetically modified foods are foods produced from organisms that have had specific changes introduced into their DNA using the methods of genetic engineering. These techniques have allowed for the introduction of new crop traits as well as a far greater control over a food ’s genetic structure than previously afforded by methods such as selective breeding and mutation breeding. Conventional plant breeding methods can be very time consuming and are often not very accurate. But genetic engineering
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increase can largely be attributed to grazing and cropping expansion in the catchment‚ which has also resulted in the loss of native vegetation and wetlands. Nutrient loads have also increased‚ encouraging algal blooms‚ which‚ in turn‚ provide food for larvae of the devastating crown-of-thorns starfish. In addition‚ nearly one-third of the reef is now exposed to pesticides. ------------------------------------------------- Overfishing Not only is the reef subject to high levels of fishing pressure
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sized compared to their body. This correlates with an omnivorous diet and the ability to consume small and large prey. Daphnia and Cyclops are crustaceans often found in this species’ diet. Also‚ they help with mosquito control by feeding on mosquito larvae. The eyes of the Orangespotted Sunfish are corrected for spherical aberration‚ meaning they are a visual fish and need sight to find their prey. Since their prey is small fish and crustaceans‚ good eyesight is important to find them in the murky water
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B04 Wong Lap Jack A0126596U Convergence or Coincidence??? Evolutionary convergence is the process by which unrelated or distantly related organisms of different lineages evolve similar smorphology‚ organs‚ and adaptations‚ but that were not present in the last common ancestor of those groups. Evolutionary convergence involving unrelated organisms living in similar environments but in different places or even in different environments. Similar or different environments have several challenges
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The Chemistry of Decomposition Decomposition is defined as the biological and chemical changes a body undergoes after death. It is the decay of tissues and structures. There are two types of decomposition: abiotic and biotic. Abiotic decomposition is defined as the degradation of a substance by chemical or physical processes; such as hydrolysis‚ reduction‚ or oxidation. Biotic decomposition is the metabolic breakdown of materials into simpler components by living organisms. This is typically
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I. Objectives: At the end of the day’s lesson‚ my pupils are expected to: A. Identify the different stages of the Life Cycle of a Butterfly 1. Egg 2. Larva or Caterpillar 3. Pupa 4. Adult Butterfly B. Draw and label the Life Cycle of a Butterfly C. State the importance of the Life Cycle of a Butterfly II. Subject Matter: A. Topic: Life Cycle of the Butterfly B. References: Internet Site: http://www.kidsbutterfly.org/life-cycle http://www.enchantedlearning.com/subjects/butterfly/lifecycle/
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freshwater clams are highly endangered. Why? • Sturgeons vanished because dams have disrupted the Sturgeon migration for spawning so they can’t leave the delta to reproduce • Freshwater clams are highly endangered because their larvae were parasites of Sturgeons and stick to them in order to be transported upstream where they could grow • The only clams are those from before the Sturgeon vanishment 5. Many freshwater exotic species have been introduced
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TYPES OF FEED USED IN AQUACULTURE Fawole‚ Femi John Division of Fish Nutrition‚ Biochemistry and Physiology Central Institute of Fisheries Education‚ (Deemed University)‚ Versova‚ Mumbai‚ 400 061‚ India. Introduction Feed manufacturing can be described as a process concerned with the physical transformation of a written formulation into a compounded “edible” diet for a precise nutritional objective. This association is achieved by mixing components in their solid form (animal meals‚ oil cakes
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