Option C Habitat.... Polar bears are only found in the Arctic. The most important habitats for polar bears are the edges of pack ice where currents and wind interact, forming a continually melting and refreezing matrix of ice patches and leads (open spaces in the ocean between sea ice).
Cetaceans are evolved from mammals ! Cetaceans are thought to have evolved during the Eocene or earlier, sharing a closest common ancestor with hippopotamuses.
They are descendents of Mammals !! And that four legged is hippo !!
So I think and sure of Mammals ....To be the answer !!
<span>An endocrine gland secretes its products, for example, hormones, directly into the blood but a</span><span>n exocrine gland secretes its products for example enzymes, into ducts that lead to the target tissue.
I hope this helps!!</span>
Answer:
a
Explanation: the genotype is the same
Statement box : 1, 2 & 5
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