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What was significant about the fossil of Maiacetus?

How do marine mammals avoid decompression sickness during deep dives?

Which statement accurately describes Mysticete feeding strategy evolution?

Which Odontocete family contains the most diverse marine mammals?

Pinnipeds have a complex, multi-chambered stomach for digesting plant material.

Sirenians have many unique characteristics not seen when compared to most marine mammals, please mark all that apply.

Why is myoglobin concentration high in marine mammals’ muscles?

Which marine mammal group evolved earliest according to fossil records?

 (A)      (B)    There are two different pinniped families represented in the above images. Identify the family for each image as well as compare and contrast the morphological and physiological characteristics of these pinniped families. You should, at minimum, sufficiently discuss 4 morphological and 2 physiological characteristics. 

Odobenids are now restricted to a single living species.