Yes. There are insects which do help humans. Two examples of this are: leeches and maggots
Honeybees and ladybugs..The honeybee pollinates crops and makes honey, the ladybug feeds on harmful insects. Leeches are not insects.
The most helpful insect is considered to be the honeybee.
mosquito are the most beneficial to human.
One good example would be Bees, which pollinate flowers and influence the reproduction of flowers. If you want a good example, go rent "Bee Movie" from your local movie store.
Lots of insects are useful to humans. Bees, to give just one example.
A bee is both harmful and useful
The mayfly is an insect that doesn't have a mouth or mouth parts. This insect doesn't need them because they don't eat and only live for a few days.
It is the only insect that produces food for humans.
yes when they need to
Humans cannot live without animals, due to the fact that without animals, there would be no meat to eat. You need worms to help crops grow and animal droppings to fertilise land. Animals and humans are meat to co-exist together. Taking only what you need from nature :)
Wild animals live in rural areas, undisturbed by humans. They are untame and adapted to their surroundings. Pets such as dogs generally live in urban areas, however there are wild dogs that are much more agressive because they need to compete for food- whereas pets don't because humans do it for them.
This is probably a flea.
Mosquito Females do. They need blood to produce there eggs.
Food
There are at least a million different types of insect. They live everywhere.
In order to live.
oxygen
We can not live with out trees
No, insects can live in many various environments It also depends on the insect it is.
The mayfly is an insect that doesn't have a mouth or mouth parts. This insect doesn't need them because they don't eat and only live for a few days.
humans don't need meat to live they can survive off of plants but would be very weak. meat gives you the protein that your body needs.
You don't need carbon dioxide to live...I think you're thinking of oxygen.
No you need a heart and a brain too...