Q: During which phase do sister chromatids separate and the centromeres divide? Choices: - cell phase - gap cycle - passivation - anaphase A:
anaphase

(Question)
Q: Roundworms exemplify what type of organization, where two or more types of tissues work together to perform a particular function as an organ? Choices: - bone-level organization - land-level organization - delicate - level organization - organ-level organization A:
(Answer)
organ-level organization

Ques: Q: During what in the small intestine do rings of smooth muscle repeatedly contract and then relax? Choices: - mitosis - contraction - compression - segmentation A:
Ans: segmentation

(Q).
Q: What tool, used to locate underwater objects, utilizes ultrasound in a way that is similar to echolocation? Choices: - GPS - radar - scanning - sonar A:
(A).
sonar

Ques:Q: What does the moon not have to protect it from extreme temperatures? Choices: - oceans - metals - oxygen - atmosphere A:

Ans:atmosphere

Ques:Q: Magnetite crystals of different ages and on different continents pointed to different spots. the simplest explanation is that the continents have done what? Choices: - reacted - changed - evolved - moved A:

Ans:
moved