You would speak of Spirogyra in terms of the species of Spirogyra: "there are over 400 species of Spirogyra"
yes the lichens are harmful but to some humans
They are not harmful to humans
earthworms are not harmful to humans theyare just pink and slimmyNo. Worms that are harmful to humans are roundworms, flatworms and hookworms.
Phone radiation can be harmful to humans. It is harmful when the person is on the phone a lot.
Americium is harmful to humans because is very radioactive.
No they are not. In fact, humans are more harmful to them then they are to us.
No, geckos are not harmful to humans. If anything, they are beneficial to humans because they eat insects
spirogyra is a water silk
really harmful
yes, you would not believe how dangerous. be careful when touching it, it can cause infections and if they are not treated then it can cause sever long term affects.
yes all fumes are potentially harmful to humans