Parasite.
A parasite is an organism that feeds on (and may live inside, or be attached to) another organism without killing it (in comparison to a predator which kills and eats other organisms). The organism upon which a parasite feeds is known as the host.
A parasitic organism usually feeds on a larger organism without killing it. Examples include leeches, ticks, and some types of parasites that live in or on larger animals like mammals or birds. These organisms obtain nutrients from their host without causing immediate death.
Organisms without bones, such as mollusks (snails).
A parasite is an organism that lives on or inside another organism (host) and feeds off it without necessarily killing it, while a predator is an organism that hunts, kills, and consumes other organisms for food. Parasites rely on their host for survival, while predators actively hunt and kill their prey.
Living organisms use food for energy. Without energy, no living organism can do anything.
No for the simple reason that, on Earth, there are no ecosystems with only one single organism present. Perhaps in some hypothetical scenario an organism may survive without other organisms present, but it would be an artificially created/maintained environment.
yes,simple multicellular organism can be without organ.e.g sponges
yes,simple multicellular organism can be without organ.e.g sponges
As far as I know, small feild mice can live in tall Bulrushes.....but maybe I am wrong. Double check maybe :) But, I thought I read that they can live in them without killing them, they just eat out a hole, then move in.
The ability to breed successfully. An organism can have a full and happy life without reproducing, but if a species does not do so, it will die out immediately.
Prokaryotic organisms have no nucleus. This includes all bacteria, including the archea and cyanobacteria.
A sponge is an organism that has specific characteristics. It is a group of invertebrates which are organisms without "backbones" or endoskeletons.