How do some insects differ from each other?
Two prominent features distinguish insects from other arthropods, and from all other animals: they have bodies divided into three segments, head, thorax and abdomen and they have six jointed legs.
Why are insects more successful than other organisms?
Insects possess an amazing diversity in size, form, and behavior. It is believed that insects are so successful because they have a protective shell or exoskeleton, they are small, and they can fly. Their small size and ability to fly permits escape from enemies and dispersal to new environments.
What characteristics do all insects share?
Most insects have five basic physical characteristics:
- Insects have what we call an exoskeleton or a hard, shell-like covering on the outside of its body.
- Insects have three main body parts: head, thorax, and abdomen.
- Insects have a pair of antennae on top of their heads.
- Insects have three pairs of legs.
What is the largest group of insects?
The largest group of insects that has been identified and classified is the order Coleoptera (beetles, weevils, and fireflies), with some 350,000 to 400,000 species. Beetles are the dominant form of life on Earth, as one of every five living species is a beetle.
What insects have in common?
Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms.
Why insects are found in large numbers?
Answer: Insects are found in large numbers because they quickly hide in a safe place at time of any danger and therefore survive in large numbers. the second reason is that they build their nests at safe places and guard them perfectly.
Where insects are found in large numbers?
Insects are found in large numbers because they have developed mechanisms that help them to survive even in the harshest of the environment. They are found in extreme conditions of deserts and the Antarctic region due to these modifications.
What insects are in large numbers?
The largest numbers of described species in the U.S. fall into four insect Orders: Coleoptera (beetles) at 23,700, Diptera (flies) at 19,600, Hymenoptera (ants, bees, wasps) at 17,500, and Lepidoptera (moths and butterflies) at 11,500.
Which country has the most insects?
The island country of Japan, however, is home to numerous forms of dangerous and even deadly forms of insect life. Considering Japan’s relatively small size along with the multitude of native insect pests, this country can be considered one of the most insect pest-populated countries in the world.
What country has no bugs?
country of Iceland
How bad are mosquitoes in Ireland?
Mosquitoes carry both West Nile virus and malaria, which are potentially fatal. We have never had a case of West Nile virus in Ireland, but Dr Bourke warns: “Several species found in Ireland are known in other countries to transmit diseases such as West Nile virus and malaria.
Is Ireland at risk of a tsunami?
Historical records and geological evidence indicate that, while unlikely, the Irish coast is vulnerable to tsunamis from distant earthquakes and submarine landslides. The Lisbon earthquakes of 1755 and 1761 caused tsunamis that reached Ireland (view report).