Gregor Mendel wondered why different pea plants had: *
1) Many parents
2) So much pollen
3) Different characteritics
4) None of the above

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Explain the significance of the increased cell specialization of the volvocine line

Select the correct answer from each drop-down menu proteins are