An endangered species means it is a kind of organism that is near
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Explain the significance of the increased cell specialization of the volvocine line

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?