Question

how does being an endotherm effect the response to changes in temperature?
it maintains a constant body temperature.
it leads to a decrease in cellular respiration.
it increases sensitivity to temperature changes.
it causes temperature changes to always be fatal.

Explanation:

Endotherms are organisms that can generate and maintain a relatively constant body - temperature internally, regardless of the external temperature changes. This is their key adaptation to temperature variations.

Answer:

It maintains a constant body temperature.