#### • Class 11 Physics Demo

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# examples of organic shapes

Question:Examples please! Geometric shapes and those that can be drawn with geometric equipment like circles, squares, triangles etc. Need ten of those. Organic are things from the natural world such as a leaf, rock, flower etc. 10 of those too!

Question:I need help with figuring out what groups are attached to a carbon, for example with the E, Z system and assigning priority or with determining stereocenters. It is easy to figure out when the molecule is not a ring. But in a ring-shaped structure, how do you when to stop including groups. To explain further, take for example 4-methylcyclohexanol. If you had to name the groups bonded to carbon #4 it would be CH3, H, and what are the other two groups? Thanks!

Answers:It's easier to visualize if you breakup the molecule using Fischer projection. Cause then you'd be able to tell that the 4 molecules bonded to C4 are H, CH3, C2H4, & C3H5OH. But looking at the ring structure pretty all you do is looking C4 you move away from it in both directions(left and right) until you reach different a molecule present on one side and not the other. So on both sides you'd have, CH2, then CH2, you finally reach the OH group on C1 from both sides. So you just add the OH with either the left or right side and group them as molecules leaving you with {CH2 + CH2 = C2H4} and {CH2 + CH2 + COH = C3H5OH}.

Question:o Humans shape their environment in ways that other organisms cannot. Are humans subject to the same pressures of natural selection as other organisms? Why? o Provide an example of convergent and divergent evolution, adaptive radiation, and co-evolution. Then, respond to the following: Choose one of the examples you provided and discuss the implications this example may have for future humans.