Balaenopterid PowerPoint PPT Presentations
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Marine Nekton Marine mammals Characteristics of marine mammals: Warm-blooded Breathe air Have hair (or fur) Bear live young Females have mammary glands that produce ...
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009b Marine Mammals & Birds Marine mammals Characteristics of marine mammals: Warm-blooded Breathe air Have hair (or fur) Bear live young Females have mammary glands ...
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... followed by mature males and then by mothers and calves (sometimes with escorts) ... A male escort, usually seen accompanying a mother and calf, is in fact ...
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... removal of whales during commercial whaling wrought changes in community ... were heavily exploited by commercial whaling in the North Pacific (Perry et al. 1999) ...
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