Which of the following is the best example of structural adaptations? dropping leaves for plants, quills for porcupines
leaf type for plants, quills for porcupines
leaf type for plants, learning to ride a bicycle for humans
dropping leaves for plants, migration for sea turtles
HELP

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters