What pigment traps the energy?

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

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