Organisms that are similar in structure and form and successfully reproduce among themselves belong to the same family.
True or false?

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Witch type of microscope is used to view very small cell components like proteins and dna?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi, r^3 , where r is the sphere’s radius.