Not directly (has in biting, stinging, etc), but they can biologically. Roaches tend to carry viruses and diseases around, and if they land on you (which, they can fly, depending on type) or crawl on you, they might pass it on to you.
Yes, bugs that can jump, such as grasshoppers or fleas, can cause harm to plants by feeding on them. Some bugs may also bite humans, potentially causing irritation or transmitting diseases.
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yes they do
Synthroid is a schedule A drug which means it has been extensively tested in humans and does not appear to cause any harm to the developing fetus.
Dead rats can cause harm to humans because they spread disease. It is wise to bury or dispose of dead rats as soon as possible.
i doubt that there is enough to cause harm.
The potential for harm is there, both directly and indirectly.
Ragwort mainly. Usually it does the most harm when it is dried and in hay. It'spoisonous to humans as well.
Dark matter does not directly affect humans as it does not interact with us in a way that can cause harm or have any noticeable impact on our bodies. It is a mysterious substance that makes up a large portion of the universe's mass, but its effects on humans are currently unknown.
Minute pirate bugs in bed do not pose any harm to humans. They are beneficial insects that feed on pests like aphids and other small insects.
No, they wont harm humans. They physically can not harm humans! (:
Yes, there are a number of plants that are toxic if ingested and also animals that can be dangerous to humans.