Which sets of structures are homologous?

a. a whale's flipper and a bird's wing (my guess)

b. a beetle's leg and a horse's leg

c. a moth's eye and a cow's eye

What occurs when vibrations traveling through an object match the object's natural frequency? a. reflection b. refraction c. diffraction d. resonance P

One strand of dna has the base sequence gcattggcagtcatg. write what the strand of mrna would look like

What's the answer? This animal represents what kind of body symmetry? asymmetry radial symmetry bilateral symmetry

During which stage of the cell cycle is dna copied?

What could a human living now and a horse living thousands of years ago have i'm common

What are the two subdivisions of the Precambrian Era called?

Habituation refers to a. cognitive process that results in increased response to a stimulus. sensory process in which the change is a fairly short-lived one. sensory process in which organisms adapt to intermittent stimulation.

Francesca, who is pregnant, has just felt the first movements of her developing offspring. Given what you know about prenatal development, at which month of pregnancy would you estimate Francesca to be?

The science of food and how the body uses it in health and disease is called g

If a golf ball and bowling ball are moving and both have the same kinetic energy. Which one moving faster? If they move at the same speed, which one has more kinetic energy?