As shown below, parts of human, cat, whale and bat arms have similar bone structures for similar functions. What is the term for this idea?

vestigial structures

homologous structures

analogous structures

adapted structures

the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

the answer would be..

b. sucking