Why would a fish that lives in the bathypelagic zone lack a swim bladder, and what adaptations would help it maintain neutral buoyancy?

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

What is the identity of the planets?

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.