It is a type of black widow spider
very harmful
yes
A Black Widow.
A spider falling onto a person is harmless, so long as the spider is not venomous. A spider falling would likely be harmful to the spider.
Only if there adults
Spider mums or any chrysanthemums are toxic and harmful to pets and and small children.
In the sentence "A spider's bite is harmful", bite is a noun.
Yes there they eat flys
If you think you have a spider bite...you should still see a doctor. Recently people have been mistaking spider bites for a serious and possibly fatal MRSA infection. I was given 50 mg Benadryl (diphenhydramine, generic, is available in sleep aid sections as well as antihistamine sections OTC) after a black widow bite and it did help a lot. If it is a brown recluse spider bite, you should see a doctor. People die from both of these types of spider bites.
As you can see, spider are amazing creatures. They are not harmful.
No they are harmful to humans. They eat grasshoppers.
The striped wolf spider is not harmful to humans but if you are bit by one it will be very pain full