Can somebody give me description of the role of these decomposers i'm going to list below: - spiders

- freshwater shrimps

-moss

- spiders

they break down organic material that then provide nutrients for the entire food web.

- freshwater shrimps

Animals like shrimp and crabs can break the materials down to detritus. Then bacteria reduce the detritus to nutrients.

-moss

Moss is considered both a producer and a decomposer because it produces its own food through photosynthesis and helps to break down organic matter into nutrients. ... In the forest, moss carpets the floor and fallen organic matter such as rotting logs. The moss helps to decompose the logs and recycle the nutrients.

Explanation:

parasites can detrimentally affect their host, but also must not allow their host to die before they can complete their life cycle. some parasites have complex life cycles with many different hosts, and have had to find ways of persisting in many different environments during the change from one host to another. ectoparasites live outside the body of the host, and can more easily  disperse, but are  more exposed to predators, parasites, parasitoids. endoparasites live inside the body of the host, and are therefore protected from the outside environment. but they can be  attacked by the host's immune system. they have therefore developed  mechanisms for dispersal such as  complex life cycles.

thermophiles, notice the prefix thermo.