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Which is a feature of all arthropods?

Which is a feature of all arthropods? Characteristics shared by all arthropods include: Exoskeletons made of chitin. Highly developed sense organs. Jointed limbs (the limbs must be jointed like the joints in a suit of armor, since the exoskeleton is rigid and cannot bend to allow movement) Do arthropods have segmented bodies? Arthropods have segmented […]

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Which characteristic is expected of a mineral?

Which characteristic is expected of a mineral? Properties that help geologists identify a mineral in a rock are: color, hardness, luster, crystal forms, density, and cleavage. Crystal form, cleavage, and hardness are determined primarily by the crystal structure at the atomic level. Color and density are determined primarily by the chemical composition. How is a […]

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Under what burden did Eugene suffer?

Under what burden did Eugene suffer? “Eugene never suffered from the routine discrimination of a ‘utero’, a ‘faith birth’ or an ‘invalid’ as we were called… He suffered under a different burden: the burden of perfection.” Why did Jerome kill himself in Gattaca? After placing second in a major swimming competition, he is involved in […]

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What is geological water?

What is geological water? The hydrosphere (Earth’s water) is an important agent of geologic change. It shapes our planet through weathering and erosion, deposits minerals that aid in lithification, and alters rocks after they are lithified. Water carried by subducted oceanic plates causes melting in the upper mantle material. What is the availability of water? […]

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What are the possible hazards caused due to an earthquake?

What are the possible hazards caused due to an earthquake? These include ground shaking, landslides, liquefaction, and in some areas, tsunamis. These primary hazards often produce secondary hazards such as ruptured utility lines, hazardous spills, and fires. Buildings can crumble or collapse, trapping people inside and burying streets in rubble. What is the most destructive […]

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What do trees obtain carbon from?

What do trees obtain carbon from? carbon dioxide Where do animals obtain carbon? Animals obtain their carbon by eating plants; they release carbon in respiration. Micrororganisms (such as fungi and bacteria) return carbon to the environment when they decompose dead plants and animals. Does carbon in the ocean originates from the atmosphere? Answer. Carbon in […]

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How does pressure differences cause wind?

How does pressure differences cause wind? The Short Answer: Gases move from high-pressure areas to low-pressure areas. And the bigger the difference between the pressures, the faster the air will move from the high to the low pressure. That rush of air is the wind we experience. How pressure affects the wind flow? Air Pressure […]

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Which of the following genera is an anaerobic gram positive rod?

Which of the following genera is an anaerobic gram positive rod? The predominant obligate anaerobes were Gram-positive rods which were identified as members of the following genera: Propionibacterium, Eubacterium, Arachnia, Lactobacillus, Bifidobacterium, and Actinomyces. Which of the following genus of bacteria is gram-negative? Example species The proteobacteria are a major phylum of gram-negative bacteria, including […]

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Which part of the heart receives the blood first?

Which part of the heart receives the blood first? Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve. […]

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