1pt Which of the following life processes is not necessary for an individual organism to survive, but is necessary for the survival of the species?
A. digestion
B. respiration
C. regulation
D. reproduction

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

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.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?