Of course not; Arachnids are simply 8-legged creatures such as Spiders.
The only things that I can think of that "harm their hosts to help themselves" are either bacteria or certain parasites.
People who harm animals were likely hurt themselves. When people are abused, they look for someone who is weaker than they are to hurt.
No, microorganisms that cause disease and infection in plants and animals are not mutualistic. They are typically considered pathogens, which are organisms that harm their hosts. Mutualistic relationships involve both organisms benefiting from the interaction.
When rubbish is in the dustbin, animals won't eat it and harm themselves.
Flukes have a parasitic ecological relationship with their hosts, often living in the digestive, circulatory, or respiratory system of animals. They can cause harm to their hosts and impact their health and fitness. Flukes may also serve as intermediate hosts for other parasites, completing their life cycle and spreading infection.
Themselves and sometimes man, but they will kill almost always other animals-- never harm men unless for defense
Animals harm us when we harm them. Whether we harm them intentionally or not , it doesn't matter. They harm us to protect themselves, to make sure they are safe.
microorganisms can harm animals by infecting them, releasing toxins inside of animals when consumed, or causing malnutrition.
Turtles will usually use their shells to protect themselves from other animals, weather, or anything else that can harm them. Or they could bite them.
because they are horrible nasty people that don't care about the world and the environment and they might hate animals and think that it is funny! please don't hurt them!
Giant Pandas are vegetarians and do not harm other animals unless they are threatened
what sorts of animals can cause harm to gentoo penguin
no but hey can harm some animals