As body size increases in animals, there is greater variability in metabolic rate. it becomes more difficult to conserve body warmth in cold environments. migration to tropical areas becomes necessary for thermoregulation. there is a decrease in the surface-to-volume ratio. reproduction becomes limited to terrestrial environments.
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- What occurs as body size increases in animals ? there is a decrease in the surface-to-volume ratio. reproduction becomes limited to terrestrial environments. there is greater variability in metabolic rate. migration to tropical areas becomes necessary for thermoregulation. it becomes more difficult to conserve body warmth in cold environments.Which of the following are negative physiological feedback loops? Group of answer choices Osmoregulation in mammals Thermoregulation in mammals Generation of action potential in animal neurons Physiological mechanisms leading to labor and birth in eutherian mammals pH maintenance in animal cellsAs the temperature surrounding an endotherm decreases from its normal body temperature down to the freezing point of water, what happens to the amount of energy consumed by this animal? The amount of energy consumed decreases There is no change in the amount of energy consumed The amount of energy consumed increases
- Consider an ectotherm and an endotherm of equal body mass. Which of the following would you expect to be true? -both animals require the same amount of energy per unit mass -the ectotherm requires more daily calories from food than the endotherm -the endotherm requires less energy per unit mass but more total energy than the ectotherm -the ectotherm requires less energy per unit mass but more total energy than the endotherm -the ectotherm could survive a longer period without food relative to the endothermThere are many ways that animals can maintain homeostasis. Osmoregulators are those that; Use energy to maintain a salt balance different from their environment Adapt their body to have the same salt concentration as their environment Have long limbs to absorb heat Are entirely terrestrial animalsGas bladders make up an average of 5 percent of body volume in marine fish and 7 percent of body volume (on average) in freshwater fish. What is the reason for this difference? freshwater fish have a larger average body size than salt water fish it is more difficult to produce lift swimming in freshwater than swimming in saltwater freshwater fish need to have a lower overall body density in order to remain neutrally boyant freshwater fish need to have a higher overall body density in order to remain neutrally boyant
- On a cool day, a crab (a poikilothermic animal) is sleeping on a rock and not consuming any food. Compare what happens to its mass over the next two hours on this cold day verses on a warm day? Group of answer choices Its mass will decrease faster on the colder day than on the warmer day because the crab must increase its respiration rate to warm its body. Its mass will decrease slower on the colder day than on the warmer day because cellular respiration in the crab’s cells is occurring faster on the cold day. Its mass will decrease slower on the cold day than the warm day because the crab will conserve its fat stores to survive the cold temperature. Its mass will decrease the same amount on the colder as on the warmer day because the crab is not consuming food. None of the aboveEctotherms: They are otherwise called wanton creatures. Fishes, creatures of land and water, reptiles are ectotherms. Endotherms - they are otherwise called warm-blooded creatures. For example, birds and vertebrates are endotherms. Impact of temperature on endotherms - When the temperature is low, endotherms produce more hotness to keep the internal heat level steady. So endotherms are not influenced by the temperature of the climate. Impact of temperature on ectotherms - The temperature of the climate influences ectotherms. At the point when the temperature is high, ectotherms grow quicker. At the point when the temperature is low, they might foster injury. Provide biological reasoning for your claim about endotherms. Consider addressing the following: -Why do you see the data you see? -What is happening at the molecular level? -What are the benefits and disadvantages of being an endotherm. -How do endotherms maintain homeostasis?Endothermic animals can maintain consistent temperature conditions by generating, main- taining, and regulating their body heat. Under cold conditions, more body heat becomes lost to the environment. Endothermic ani- mals rely on different mechanisms that allow them to maintain their body heat. Which of the following mechanisms that occur in endothermic animals does not describe a mechanism by which they maintain their body heat under these types of conditions? A B с D Some endothermic animals hibernate during extreme environmental conditions, which decreases the rate of metabolic reaction and decreases heat loss. The tissues of the blood vessels of many endothermic animals can dilate and move closer to the skin, allowing for heat to move more readily into the environment. Shivering, which can occur involuntarily in most endothermic animals, produces rapid muscle contractions, which increase the rate of cellular respiration and thereby increase heat production. Layers of densely packed…
- Ectotherms use more energy to maintain their body temperature than endotherms are better able to carry out intense, long-duration activity than endotherms have a more constant internal body temperature than endotherms gain most of their heat from external sources have a higher metabolic rate than similarly-sized endothermsElephant seals do deep dives to forage for food. The energy used by the seals in diving depends on their body composition; for example, fatter seals use less energy to swim to the surface at the end of a dive, allowing them to takelonger, more productive dives. Explain why you’d expect this to be the case.Compare and contrast: Adaptation and acclimatization Conformation vs. Regulation Diffusion, facilitated transport and active transport metabolic rates of large and small animals. convection, conduction, radiation and evaporation