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poison ivy and oak
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Why is grasshopper harmful?
Grasshoppers are only harmful to vegetation such as plants and crops. They are not harmful to humans at all.
Are extremophiles harmful to plants and humans?
Extremophiles are a danger to human health. Extremophiles can be a danger to plants.
How plants can be harmful to humans?
Plants can be dangerous to humans due to poisons or allergies.
How are marsupials helpful and harmful to us?
Marsupials are helpful to humans in that they keep grasses and plants at manageable levels. They are only harmful to humans when they get too close and scare the animals.
How is protozoa harm to humans?
protozoa can cause harmful diseases and effect plants life.
What are the harmful effects of plant to humans?
Many plants are poisonous to eat or to touch. Some plants kill other plants that you want to grow (food).
How are cicadas dangerous to humans?
Cicadas are not dangerous nor harmful to humans however they are very noisy and tend to eat certain plants.
Are pathogenic bacteria benificial or harmful to humans?
The word pathogenic means disease causing. So they can be harmful...but some pathogenic bacteria only are harmful to plants or dogs or cats, etc.
How do mollusk harm humans?
the positive way is they are food for human and the negative way is land slugs and snails damage plants
Are Japanese Beetles harmful to dogs?
Japanese Beetles are harmless to humans and dogs. They solely feed off of plants.
Are lichens harmful to humans?
yes the lichens are harmful but to some humans
Are mayflys harmful?
They are not harmful to humans
