Can you help me please

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

What would happen if the krill were removed from the food web

Draw the structure of dna nucleotide with adenine as nitrogenous base