Which of the following best describes a human sperm cell? (2 points). a. a diploid cell formed in the male testes. b.a diploid cell formed in the male penis. c. a haploid cell formed in the male penis. d. a haploid cell formed in the male testes

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants