9.5.2.4 Use available evidence to suggest reasons for the differences in the range of electromagnetic radiation detected by humans and other animals: Reasons for differences in detection between humans and other animals: The differences between human detection range and other animals detection range relates to their environment in which they live in and their way of life. The detection out of the visible spectrum is usually an adaptation for survival of the organism. Humans detection
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Q1:Why is reproduction essential for organisms? Reproduction is a fundamental feature of all living organisms. It is a biological process through which living organisms produce offspring’s similar to them. Reproduction ensures the continuance of various species on the Earth. In the absence of reproduction‚ the species will not be able to exist for a long time and may soon get extinct. Q2:Which is a better mode of reproduction sexual or asexual? Why? Sexual reproduction is a better mode of reproduction
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CELL DIVISION Important Formula #1 In case of animal cells‚ cytokinesis takes place through cell furrow (centripetal). Cytokinesis takes place in plants by the formation of cell plate (centrifugal). Important Formula #2 Meiosis causes reduction chromosome number‚ so it is also known as reduction division. CELL RESPIRATION Important Formula #1 For oxidative phosphorylation‚ 2.5 ATP are produced per NADH and 1.5ATP per FADH2. (Approx.) Important Formula #2 Non-germinating live seeds and
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Sept 27‚ 2010 Chapter 4 * With four valence electrons‚ carbon can form four covalent bonds with a variety of atoms * This tetra valence makes large‚ complex molecules possible * Fundamental groups: Alkanes and Alkenes * The electron configuration of carbon gives it covalent compatibility with many different elements * The valences of carbon and its most frequent partners (hydrogen‚ oxygen‚ and nitrogen) are the “building code” that governs the architecture of living
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1. Phospholipid: Molecule that forms a double-layered cell membrane; consists of a glycerol‚ a phosphate group; and two fatty acids. 2. Selectively permeable (Semi): Condition or quality of allowing some‚ but not all‚ materials cross a barrier or membrane. 3. Receptor: Protein that detects a signal molecule and performs an action in response. 4. Diffusion: Movement of dissolved molecules in a fluid or gas from a region of higher concentration to a region of lower concentration. 5. Osmosis: Diffusion
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Religion and Belief Systems in Australia post-1945 1.1 Contemporary Aboriginal Spiritualties Kinship and the Dreaming The Dreaming is the key concept underpinning all aspects of Aboriginal spirituality and‚ indeed‚ all facets of traditional Aboriginal life. At its basis is an ancient event whereby the ‘sky heroes’ (ancestral spirit beings) formed everything upon the earth (oceans‚ mountains‚ rocks‚ insects‚ animals etc) from a featureless‚ never-ending plain. Yet the dreaming exists in the
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Rule and ruling usually refers to standards for activities. They may refer to: | Human activity * Business rule‚ a rule pertaining to the structure or behavior internal to a business * School rule‚ rules part of school discipline * Sport rule‚ rule that defines how a sport is played * Game rule‚ rule that defines how a game is played * Moral‚ a rule or element of a moral code for guiding choices in human behavior * Norm (philosophy)‚ a kind of sentence or a reason to
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HSC Physics Notes - Space 9.2 - 1. The Earth has a gravitational field that exerts a force both on it and around it 1. define weight as the force on an object to a gravitational field Mass is the measure of how heavy an object it. Every object has a mass which is static and does not change with any force exerted on it or from it. However‚ weight is the force which is exerted upon an object when it comes into contact with or nearby a gravitational field of some strength. Weight is a force ஃ a vector
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BIOLOGY TEST NOTES Biology is the study of life Living organisms share a set of characteristics that collectively set them apart from non-living matter Living organisms use molecules that contain instructions for building other molecules Living organisms gather energy and materias from their surrounding to: Build new biological molecules Grow in size Repair their parts Produce offspring All organisms are composed of the same macromolecules (proteins‚ fatty acids/lipids‚ carbs and nucleic
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Grade 10 Biology Revision Guide Characteristics of Living Organisms Nutrition: Respiration: Excretion: Sensitivity: Movement: Homeostasis: Reproduction: Growth: Taking in food for growth and releasing energy. Burning glucose to release energy. Removing waste material like urea formed during chemical reactions. Responding to changes in the environment. Transport inside cells and moving the body. Control their internal conditions. Increasing the number of organisms. Increasing the number of cells
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