The diagram shows a pedigree for a certain trait in three generations. The grandparents are represented at the top and the grandchildren are at the bottom. How many grandchildren in the pedigree show the trait?

0
1
3
4

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?

Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam