All plants living in the desert are able to live with little water. They have adaptations that permit them to survive in almost permanent drought conditions. Some plants can store water in times of plenty to use in times when little rain falls. Some plants have long tap roots that are able to go deep below the surface where water is available. Some plants basically shut down during droughts and revive again when it rains.
Cacti and other succulents store water.
Mesquites are an example of a plant with a long tap root.
Creosote bush and ocotillo shut down until water is available.
I think you can easily find any desert plant with adaptations
Size reduction.
Because the plant grows in clumps it keeps warm in the desert
chicken
tanginamo
Some species of agave do live in the desert.
Llamas are domesticated animals and do not occur naturally in the desert. The vicuña and guanaco are wild cousins of the llama and do occur on the fringes of the Atacama Desert where they feed on sparse plant life and get their water from the plants they eat.
Desert flora refers to the plant life found in arid regions, characterized by drought-resistant adaptations like succulence or deep root systems. Desert fauna, on the other hand, refers to the animal life that has adapted to survive in harsh desert conditions, often possessing specialized physiological and behavioral adaptations to conserve water and tolerate extreme temperatures.
Some can swing from trees and some can camouflage. Their are tons of animals in the rainforest so the adaptations will vary by the the species.
camels, some lizards, and some snakes, some birds, and some insects.
It is determined by the plant's adaptations to its environment.
The barrel cactus can be a plant that animals can get water from in the desert.