Which statement is true?(1 point)
Responses
Endotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature involuntarily.
Endotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature involuntarily.
Endotherms can insulate (stop heat loss from) their bodies but can only control their body temperature by choice.
Endotherms can insulate (stop heat loss from) their bodies but can only control their body temperature by choice.
Ectotherms can insulate (stop heat loss from) their bodies and can control their body temperature by choice.
Ectotherms can insulate (stop heat loss from) their bodies and can control their body temperature by choice.
Ectotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature by choice.
Ectotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature by choice.
The statement that is true is: Ectotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature by choice.
The statement "Ectotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature by choice" is true.
To determine the correct answer, let's analyze the statements one by one:
1. "Endotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature involuntarily." This statement is incorrect. Endotherms are capable of insulating their bodies to minimize heat loss. They can also regulate their body temperature through both involuntary and voluntary mechanisms, such as shivering or sweating.
2. "Endotherms can insulate (stop heat loss from) their bodies but can only control their body temperature by choice." This statement is also incorrect. As mentioned earlier, endotherms can regulate their body temperature both autonomously (involuntarily) and consciously (by choice). Their ability to generate metabolic heat allows them to maintain a relatively stable internal temperature.
3. "Ectotherms can insulate (stop heat loss from) their bodies and can control their body temperature by choice." This statement is incorrect. Ectotherms, such as reptiles and amphibians, lack efficient internal mechanisms for regulating body temperature. Instead, they primarily rely on external heat sources like the sun or their surroundings to warm up their bodies. Therefore, they cannot effectively insulate or control their body temperature by choice.
4. "Ectotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature by choice." This statement is correct. Ectotherms lack the physiological adaptations necessary to insulate their bodies and rely on external factors to regulate their body temperature, such as seeking shade or basking in the sun.
Hence, the correct answer is: Ectotherms cannot insulate (stop heat loss from) their bodies and can only control their body temperature by choice.