From the list of strategies for dealing with harsh cold environments, choose those that an ectotherm would employ: -Supercooling -Freeze tolerance -Dormant eggs -Hibernation -Torpor
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From the list of strategies for dealing with harsh cold environments, choose those that an ectotherm would employ:
-Supercooling
-Freeze tolerance
-Dormant eggs
-Hibernation
-Torpor
Choose all that apply. Thank you
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- From the list of strategies for dealing with harsh cold environments, choose those that an ectotherm would employ. See image attatched.Although hibernators drop their body temperatures, they do manage maintain a body temperature close to or slightly above ambient temperatures in their burrows. They generate or conserve heat in all of the following ways except one. Which is the one? Non shivering thermogenesis Ruffling the pelage Eating more Calories Bouts of intense shiveringIn this example your body is reacting to you suddenly stepping outside into 30 degree weather after being inside at 20 degrees. match the correct stage with the example of what should be happening to your body • Hot outside air temperature is felt through thermodetectors in your skin and starts to impact how cells, enzymes & body function. •Thermostat is hypothalamus activated cooling mechanisms. • skin blood vessels dilate and sweat glands are activated. •Thermostat is hypothalamus registers internal temperature decrease and is triggered to shut off cooling mechanisms. • internal body temperature remains stable at 37. Homeostasis Imbalance Body reacts Negative feedback correction
- constrict The regulation of body temperature is an example of a(n) mechanism because an above-normal body temperature stimulates mechanisms to decrease it, while a below- normal temperature causes changes to bring it up. dilate Вook positive feedback Print The thermostat is located in the part of the brain called the blood vessels erences hypothalamus When the core body temperature falls below normal, the negative feedback of the skin constrict and then receive nerve impulses to induce shivering to generate heat. sweat glands skeletal muscles When the body temperature is higher than normal, the blood vessels of the skin and the nervous system activates to cool the body by evaporation. cerebellum ResetEctotherms: 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?Imagine you are sick and you have fever. Sensors on the skin and brain detect this and communicate with the temperature regulatory center in the brain which then sends out a command to the sweat glands of your body as a result of which you start sweating and in about 15 mins your body temperature comes back to normal for the time being. This this feedback loop, identify the following: sensors control center effector stimulus response
- Match the following examples with the type of biological rhythm it represents 1. daily body temperature fluxuation entrainment 2. being used to getting out of bed when it gets light outside in the morning phase-shifting circadian 3. recovering from jet lagIt is a warm day and you feel a little chilly. On checking your temperature, you find that your body temperature is 1.5 degrees below normal. Suggest 3 possible reasons for this situation. Describe briefly how your body will react to this dip in temperature.What does bathing promote? (Select all that apply) Relaxation Delayed healing Enhanced healing Reduced blood flow Circulation
- What is the trade-off of ectotherms with regard to maintaining an internal environment that doesn’t vary much? Ectotherms are larger than endotherms because they need to have a larger surface area to volume ratio in order to either increase or lower their temperature. Ectotherms usually have fur in order to conserve heat when they live in very cold environments. Ectotherms are smaller than endotherms because they need more surface area to dissipate heat relative to their insides. Ectotherms can survive in a wider variety of habitats because they are smaller and can behaviorally adapt to a wide variety of temperatures.If daytime body temperature of some ectotherms were measured, the values would be fairly constant. Provide an explanation for such observations, giving some possible mechanisms that might be involvedOutline the events that shows the negative feedback loop that happens when you (choose only one): get a wound, consume too much sugar, get hot by being in a humid place, feel cold, drink too much water, touch a hot surface, get pinched or pricked, or are in a poorly lit room. You are encouraged to do research on the mechanisms that enables the responses for these.