2. which pair of structures are homologous?
a. wing of an insect and wing of a bird
b. tentacle of a hydra and flipper of a whale
c. front leg of an insect and bones in the leg of a human
d. bones in the front leg of a dog and bones in the wing of a bat

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

What is the period of cell life when it is conducting

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.