in order to
Landed is a verb. A preposition indicates a relation between things mentioned in a sentence. For Example: "The dog sat on the table" the preposition would be "on"
By wrigglers I assume you mean mosquito larvae. They have to come to the surface to breathe.
No, manatees are mammals and need to surface to breathe air. They can hold their breath for up to 20 minutes while resting, but they must surface regularly to breathe.
since they have to breathe
Yes do all snails surface to breathe?
Whales Breathe air, with lungs. They have to Surface to Breathe, and hold their breath while diving
They use a blow hole to breathe in/out air when the surface the water.
No, garden snails cannot breathe underwater as they require air to breathe. They have lungs and need to surface to breathe air.
yes
No mammals can breathe underwater. All mammals, including sea mammals, must breathe above the surface of the water. This is why marine mammals such as dolphins and whales frequently come to the surface.
no they have blow holes used to breathe by going up to the surface.
They breathe through a blow hole. For more information check the related link below..