Syeda Fatima Sinusitis What are sinuses? Sinuses are basically hollow spaces in the bones behind the face Sinuses are developed even before a person is born and sometimes continue to develop until the age of 20. There are four pairs of sinuses or eight all together. Sinuses are located on either side of the nose in our cheeks‚ behind the eyes and between them‚ in our forehead‚ and at the back of the nasal cavity. The nasal cavity is basically the inside of the nose. The nasal cavity is lined
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Rachel Carson (May 27‚ 1907 – April 14‚ 1964) was a Marine Biologist. Her accomplishments included: Writing the books The Edge Of The Sea‚ bestsellers Under The Sea Wind‚ The Sea Around Us‚ and her most popular Silent Spring‚ and she was also the founder of the Environmental Movement. Her most famous book‚ Silent Spring‚ documented effects of harmful pesticides and pollution on the environment‚ especially on birds. The book helped launch Carson’s Environmental Movement. The movement was a political
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Chapter 40 Exam – Student Copy 40.1 Multiple-Choice Questions 1) Trees are rare in the savanna biome because of A) insufficient annual precipitation. B) acidic soils. C) extreme winter temperatures. D) large variations in seasonal rainfall. E) permafrost. 2) Which of the following statements best describes the effect of climate on biome distribution? A) Average annual temperature and precipitation are sufficient to predict which biome will be found in an area. B) Seasonal fluctuation of temperature
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Essay Questions Exam 3 Chapter 40 a. Describe a key function of each of the four types of tissues found in animals. 1. Epithelial tissue (squamous‚ columnar‚ cuboidal) makes up the lining and coverings. This type of tissue is found in the skin (epidermis and dermis)‚ surrounding the organs of the body‚ and outer layer of capillaries (diffusion). 2. Connective tissue (loose‚ adipose‚ blood‚ fibrous‚ bone) holds organs in place and attaches epithelial tissue to other underlying tissues. A collagenous
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Phylum Porifera  Basic Characteristics No definine symmetry Bodies are multicellular‚ with few tissue and no organs. The cells and tissues surround a water filled space but there is no body cavity. Has no nervous system Has a larval stage. Are all filter feeders. Sponges are among the oldest animals‚ being discovered about 500 million years ago! Phylum Cnidaria JellyFish  Basic Characteristics Live in both fresh water‚ and salt water. Radial Symmetry; typically quadramous
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Question 1 1 out of 1 points Identify the cell membrane within the plant cell figure: Plant Cell_Exam 1.png Selected Answer: A Correct Answer: A Question 2 1 out of 1 points The activation energy required for a catalyzed reaction is ___________ compared to an uncatalyzed reaction. Selected Answer: D. lower. Correct Answer: C. lower. Question 3 1 out of 1 points Identify the cell wall within the plant cell figure: Plant Cell_Exam 1.png Selected Answer: D
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1. Fossils found in the lowest geological strata are generally the most advanced. complex. x primitive. widespread. specialized. 2. The place Darwin visited on his trip around the world that had the greatest impact on his thinking was the Canary Islands. Africa. the Hawaiian Islands. x the Galapagos Islands. Brazil. 3. According to Darwin‚ natural selection is based on the ____ found in populations. acquired characters x variations weakest members noncompetitors similarities
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Yr 12 Biology Summary Notes Rangitoto College 2006 STRUCTURE AND FUNCTION IN CELLS Achievement Standard 90464 – Biology 2.8 – Describe cell structure and function TYPES OF CELLS • PROKARYOTIC CELLS = more primitive‚ unicellular‚ have no organised nucleus‚ no membrane-bound organelles‚ genetic material is 1 circular DNA molecule‚ can have tiny extra rings of DNA called plasmids‚ all have cell walls e.g. bacteria and blue-green algae • EUCARYOTIC CELLS = unicellular
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1 of 20 The subatomic particles that play the greatest role in cellular chemical reactions are electrons. protons. neutrons. isotopes. Question 2 of 20 The structural unit that retains the properties of an element is the molecule. atom. cell. electron. Question 3 of 20 Which of the following are found in the nucleus of an atom? Protons Neutrons Electrons A and B Question 4 of 20 The component of an atom or molecule that is most important
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CODE-Y NEET-UG – 2013 TEST PAPER WITH ANSWER (HELD ON SUNDAY 05th MAY‚ 2013) 1. The eye of octopus and eye of cat show different patterns of structure‚ yet they perform similar function. This is an example of : (1) Analogous organs that have evolved due to divergent evolution (2) Homologous organs that have evolved due to convergent evolution (3) Homologous organs that have evolved due to divergent evolution (4) Analogous organs that have evolved due to convergent evolution (4) Select the correct
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