Increasing the pressure around a substance forces the molecules together. You force gas molecules together, and they will eventually become a liquid (Since liquid is a state where molecules are free moving but still touching and gas is a state where molecules are free moving and not constantly touching).
In general, the bryophyte sporophyte is a long, tiny stem that grows on the top of the gametophyte. The sporophyte depends complelety on the gametophyte to obtain nutrients.
The nerve cells are scattered in each layer of the body wall and these neurons send information from sensory organs. Based on the given choices above, the organism that has a nerve net that allows it to respond to a stimulus in a coordinated way is the HYDRA.
