they are helpful because if you have one they will kill all the bugs and Spiders in your house.
pince spiders and kill bugs for u
Is leptospira helpful or harmful to humans
lactobacillus converts milk to curd and E.coli for genetic engineering hope this was helpful
Can be both harmful and helpful. They can be harmful to humans because, many types of amoebas can carry diseases, and some can feed on human tissue. They can get into our body by, contaminated food and contaminated water. Amoebas are also helpful because they are part of the food chain.
because it lets humans see small things like cell and blood
--------bob
monerans are helpful to humans because it is bacteria and bacteria helps humans by making milk yogurt
An aolovera plant is helpful
no
Ladybugs are indeed helpful to humans, because they eat aphids, and aphids are damaging to many plants that we humans like to grow.
cause
you can eat them
Some people are... *_*
no
Helpful in the stratosphere, harmful in the troposphere.
computer.. both helpful and not..
all that i can think of is gives humans meat to eat
The are helpful by drinking rotten nectar that you don't want.