Q: Structures that have lost their use through evolution are called _______ Choices: - primordial structures - residual structures - symbiotic structures - vestigial structures A:
vestigial structures

(Question)
Q: Due to the difference in the distribution of charge, water is what type of molecule? Choices: - ionic - uneven - crooked - polar A:
(Answer)
polar

Ques: Q: Sister chromatids separate and move to opposite poles of the cell in the third phase of what process? Choices: - cytokinesis - epistasis - meiosis - mitosis A:
Ans: mitosis

(Q).
Q: A molecule has two structures that can be generated. what is this called? Choices: - resonance hybrids - congruence - ethnocentrism - isomerism A:
(A).
isomerism

Ques:Q: What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy? Choices: - physical - potential - heat - electrical A:

Ans:electrical

Question: Q: The energy in sunlight is also known as what kind of energy? Choices: - kinetic energy - potential energy - geothermal energy - solar energy A:
Answer:
solar energy