Are porcupines amphibians, reptiles, or birds??? Please help 25 POINTS!!!

Forces that are equal in strength but opposite in direction are a.) balanced b.) unbalanced c.) always result in motion d.) do not exist

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.