7. What are the two main parts of a lipid? I 8. Explain what makes a fat saturated or unsaturated?
9. Describe the structure and the role of steroids.
10. What is the role of wax to an organism?

When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?