Based on the following phylogenetic tree, which of the following conclusions are *NOT* correct? 

1. Based on the following phylogenetic tree, which of the following conclusions are NOT correct?  Each letter represents a hypothetical species.

 

 

a)    A and E share a common ancestor

b)    B is one of A’s ancestors

c)    E and D are more closely related to each other than to C

d)    C is more closely related to E than to B

e)    A and B are closely related

2. You are taking a cruise from California to Hawaii. About halfway there the ship begins to sink. You are able to board a lifeboat, but now you are floating in the ocean waiting to be rescued. After several days you are so thirsty that you bend over the side of the boat and drink lots of salty seawater. What happens to your body?

 

a)    You throw up because sea salt is toxic to humans.

b)    You get thirstier because of osmosis.

c)    Salt diffuses into your cells, water follows, your cells start to expand and you feel bloated.

d)    Since sea water consist of 96.5% fresh water (and only 3.5% salt) you will feel much better.

e)    You get dehydrated because water is unable to cross the semi-permeable membranes of your cells.

 

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