Ane and sarah are fraternal twins reared in the same family. jane has warm feelings toward her parents while sarah has less than a positive view of her father. why?
a) fraternal twins forget greater variations in their early family life.
b) fraternal twins recall lower variations in their early family life.
c) fraternal twins recall greater variations in their early family life.
d) fraternal twins forget greater variations in their later family life.

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

Male satin bowerbirds build bowers like the one shown below. they decorate the bowers with brightly colored blue objects in order to attract females. male bower birds attract mates with their a. feathers b. looks c. behavior d. songs