Q: The brain and spinal cord are part of what system, which serves as a control center? Choices: - primary nervous system - active nervous system - large nervous system - central nervous system A:
central nervous system

(Question)
Q: What type of fatty acids have bent chains? Choices: - cholesterol - saturated fatty acids - lipids - unsaturated fatty acids A:
(Answer)
unsaturated fatty acids

Ques: Q: The sporophyte phase is the longest phase in the life of what? Choices: - echinoderm - arthropod - angiosperm - gymnosperm A:
Ans: gymnosperm

(Q).
Q: What takes place at some coastlines or along the equator and brings cool, nutrient-rich water to the surface? Choices: - high tide - red tide - flooding - upwelling A:
(A).
upwelling

Ques:Q: Flatworms have a concentration of nerve tissue in the head end, which was a major step in the evolution of what organ? Choices: - liver - heart - kidney - brain A:

Ans:brain

Ques: Q: What type of waste is eliminated from the body through the anus? Choices: - urine - carbon dioxide - liquid - solid A:
Ans:
solid