Why larvae have to molting?
The hard exoskeleton of insects ensures that they are better adapted to various natural conditions. However, because the exoskeleton lacks elasticity, once formed, it restricts further growth of the insect’s …
Why do the blood of lower animals such as insects have no color?
The blood of higher animals, such as chickens, ducks, geese, pigs, dogs, cows, horses, and even humans, is bright red. Its main components are plasma, serum, white blood cells, and …
Do insects have ears, Grow on where?
Insects have extremely sensitive auditory organs. While humans use ears for hearing, insects also have “ears,” though their structure is very different from the ears of humans and other animals. …
Insects vocalizing,what are they for?
In the evenings of autumn, if you sit quietly under the window for a while, you can hear a chorus of insect sounds, such as “clang clang,” “ding ding,” “li …
Do insects have a nose?
Humans have noses. Pigs, horses, cows, and sheep also have noses. Although the appearance of their noses may not be like that of a human’s, at least two large nostrils …
Insects have no vocal cords, why they can make sounds?
Human vocalization is caused by the vibration of the vocal cords as air passes through the throat. Different tones are formed by various positions of the mouth and different movements …
How do spiders build nets between two trees that are far apart?
When you see a spider web stretched between trees on both sides of a river or between two distant corners of a house, you must wonder how the web is …
Why are the small bugs stuck on spider webs all empty shells?
Spider webs are hunting grounds for spiders. Flies, horseflies, mosquitoes, beetles, and other pests are the targets of spider hunting. The small flies stuck to the web are like fish …
Why do hermit crabs live in snail shells?
If you go to the beach to collect marine specimens, in a small bay, you can see a creature similar to shrimp but also crab-like, carrying a “house” on its …
Why do prawns migrate in groups?
When terrestrial animals migrate collectively in a certain direction, it’s called “migration.” For aquatic animals, when they gather and move towards a particular area, it’s termed “migration” as well. In …