No, they need to ripen on the vine.
The old vine is on the roof of the Storeroom building left of the Living Quarters. Use the steam exhaust fan to lift you to the roof. You will need the vine underground at the Hub.
To make a whip on RuneScape, you need to have a level 90 Crafting. You will need a Abyssal whip (or its uncharged version) and an Abyssal vine, which can be obtained by using a whip vine on a regular vine which can be found in the Edgeville Dungeon. Use the whip vine on the Abyssal whip to create the Abyssal vine whip.
no need
If they have grown up there they have no need to 'adapt'.
Adapt to what. People who have grown up there have no need to adapt to anything. Newcomers love the climate.
You need to get the loop of old vine before entering the underground at the Hub through the hot hatch (cooled by the Robot Crab). The vine is on top of the storeroom building at the far left of the main scene.
First you need to get the vine. It's on a roof all the way to the left of the map. Just use the vine when the monster comes.
They need to adapt to high pressure in the (low part of the ocean) deep ocean.
There is a loop of old vine on the roof of the building at the far left of the island, past the Living Quarters. You should get it early because you will need it at the Hub.
vine
An adaptation of a vine is its ability to climb and twine around structures or other plants for support, helping it to access more sunlight and nutrients. Vines also have flexible stems that allow them to bend and adapt to their environment, helping them thrive in various habitats.