List two benefits to sexual reproduction

Question 1:
A) List two benefits to sexual reproduction.

B) List two benefits to asexual reproduction.

C) Explain what monogamy, polygyny, and polyandry are.

Question 2: Consider the fish shown in the figure below. Assuming the four living species evolvedfrom their common ancestor without convergence or reversal, reconstruct their evolutionaryrelationships and label the transitions (i.e. changes on the tree;). NB, I’ve labeled the four species(A, B, C, and D). When you draw the phylogeny call the samples A, B, C, and D.

1709_fish.png

B) What are the synapomorphies shown by the living species?

C) What are the apomorphies shown by the living species?

D) Which evolved first, stripes or elongated black fins, why?

Question 3: Consider the phylogeny below that shows the relationships between the apes and macaque monkeys.

List all the sister taxa relationships depicted in this phylogeny

1837_chain.png

 

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