One adaptation that is unique to marine mammals is they

can slow their heart beat down.

are warm-blooded.

breathe air through their lungs.

nurse their young.

Which of the following provides the best evidence for the idea that multicellular organisms are composed of highly organized arrangements of differentiated cells?

Explain the cell cycle and phases

A scientist focusing on the evolutionary history of specific significant traits is engaged in

What is intramembranous ossification? What is intramembranous ossification? the formation of bone from preexisting fibrocartilage models the formation of bone from within fibrous membranes the formation of bone from preexisting hyaline cartilage

What can happen when a wetland is replaced by a development in an area

The most famous pioner colonial times

Can a theory change over time? If so, how?

Which of the following needs a host to reproduce? 1) all of the above 2) eukaryotic cell 3) none of the above 4) prokaryotic cell 5) virus

Suppose that two ancient types of plants, one that grows in the winter and one that grows in the summer, appear together in the fossil record for two periods in the geologic time scale.

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