Do predators avoid sick prey? We’ve found that predators reduce the density of prey populations and consequently the chances that a sick individual encounters and infects healthy individuals.” Can prey kill predators? Smaller organisms may prey on larger organisms. Changing population densities may trigger a role reversal. In addition, adult prey may attack juvenile predators. […]

What category of organisms are abundant throughout the ecosystem and are not in any one category? The only abundant organisms are birds, jellyfish, worms/amphipods, floating algae, and microbes. 3. Are these the same organisms that were abundant in the pre-human food web? No, most of the groups were rare in the previous food web. Which […]

What do oceans do in the carbon cycle? Oceans and the carbon cycle. The oceans influence the climate by absorbing and storing carbon dioxide. Climate change is caused by the accumulation of man-made carbon dioxide (CO2) and other greenhouse gases in the atmosphere. What role does the ocean play in the carbon cycle quizlet? Terms […]

Which is the best activity for aerobic exercise? Exercise Options Walking. Walking is one of the simplest and most available aerobic exercises. Cycling. Cycling is another type of aerobic exercise with wide appeal and value. Ski Machines, Stair Climbers, Steppers, Ellipticals. Swimming Activities. Jogging, Aerobic Dance. Why is aerobic exercise good for you? Aerobic exercise […]

What is normal post-void residual urine volume? In those who can void, incomplete bladder emptying is diagnosed by postvoid catheterization or ultrasonography showing an elevated residual urine volume. A volume < 50 mL is normal; < 100 mL is usually acceptable in patients > 65 but abnormal in younger patients. What is a significant post-void […]

What macromolecules are in vegetables? Carbohydrates are, in fact, an essential part of our diet; grains, fruits, and vegetables are all natural sources of carbohydrates. Carbohydrates provide energy to the body, particularly through glucose, a simple sugar that is a component of starch and an ingredient in many staple foods. What macromolecules are in salad? […]

Which of the following individuals is most at risk for hyperkalemia? Those at greatest risk for hyperkalemia are persons older than 65 years who have an advanced stage of chronic kidney disease (CKD) (ie, stage 3-5), chronic heart failure (CHF), and/or diabetes and/or are taking medications known to increase serum potassium levels, notably inhibitors of […]

What organism is crucial to the nitrogen cycle? The most important part of the cycle is bacteria. Bacteria help the nitrogen change between states so it can be used. When nitrogen is absorbed by the soil, different bacteria help it to change states so it can be absorbed by plants. Animals then get their nitrogen […]

Which body organ removes excess water and wastes from the blood? Excretion is the job of the excretory system. Organs of excretion include the large intestine, liver, skin, lungs, and kidneys. The urinary system filters wastes and excess water from the blood, forms urine, and excretes urine from the body. It includes two kidneys, two […]

What are the organisms called that eat dead and decaying matter? While decomposers break down dead, organic materials, detritivores—like millipedes, earthworms, and termites—eat dead organisms and wastes. (singular: alga) diverse group of aquatic organisms, the largest of which are seaweeds. What are decomposing bacteria? Decomposition is the process by which bacteria and fungi break dead […]