Which option best describes the functions of muscles in the body? Muscles contract and relax to move the attached bones.
Muscles attach and reattach to bones as they move.
Muscles flex and lengthen to move the attached bones.
Muscles move closer and farther away to move the attached bones.

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina