TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: What type of organisms have internal clocks that regulate cyclic processes? Answer: eukaryotic

SOLUTION: Eukaryotic type of organisms have internal clocks that regulate cyclic processes.

PROBLEM: Question: What occurs before the endometrium thickens in estrous cycles? Answer: ovulation

SOLUTION: Ovulation occurs before the endometrium thickens in estrous cycles.

PROBLEM: Question: All radioactive nuclides emit high-energy particles or what? Answer: electromagnetic waves

SOLUTION:
All radioactive nuclides emit high-energy particles or electromagnetic waves.