Here is one answer: our ancestors with different numbers of legs, and the ancestors of spiders, were not alive and breeding. Eight-legged spiders and two-legged people survived and bred. the spider has eight legs because its ancestors had eight legs. Spiders and horseshoe crabs have evolved from the same ancestor! 11th. 2017 г.
Why do all insects have 6 legs?
The six legs allow you to move while always maintaining a supportive tripod. There are millions of species of insects, all on six legs. This means that this number of changes will be selected immediately. It is generally accepted that insects are of multi-legged ancestry. centipede.
Is the spider eight-legged or six-legged?
Spiders are spiders. Unlike insects, the body has only two parts, eight legs instead of six, six or eight eyes (two for insects), and a spun cap on the abdomen that produces silk.
Does the spider have eight legs?
How many legs does the spider have? They have 10 legs! This is not a joke. Spiders walk on eight legs, but some can be used like hands. These pairs of forefoot are abbreviated as pedipals or simply pedipals.
Is the spider the only insect with eight legs?
Myth: Spiders have eight legs so you can always tell. Fact: Not accurate. All arachnids, not just scorpions, harvestmen, mites, and in fact spiders, have four pairs of legs (see figure).
Below you will find two helpful answers on a similar topic. 👇
Do insects only have 6 legs?What insect has 12 heart chambers?
