There is no difference between an antennule and antennae. An antennule is just a small antennae. Antennules are basically the same, but just in size that they vary. They both have the same purposes, the antennae is the plural form of saying the bigger antenna.
The rostrum is the part of the crayfish that is located between the eyes and the antenna. Rostrum is Latin for "beak" so the rostrum on the crayfish is considered its beak.
A crayfish has an open circulatory system while humans have a closed circulatory system. "Closed" means that we have true blood vessels that carry blood to and from the heart. "Open" means that the organs are simply bathed in blood that freely circulates around the body. Sometimes the heart can move the "blood" by creating pressure waves in the fluid.
What is the difference between herds and packs?
Difference between collenchyma and chlorenchyma
what is the difference between 2x and 2n
The difference between an English crayfish and an American crayfish is the English crayfish grows to about 3 inches long. It is red- brown in color. It's claws has a turquois and white blotch on the edge of the claw. The American crayfish grows to about 6 inches long. This crayfish is much larger and it's claws are red underneath.
A crayfish's mouth is located on the bottom side of its head, just behind its antennae. The crayfish has numerous mouth appendages including 2 sets of maxilla, 3 sets of maxillipeds, and mandibles.
Crayfish live in the water, dragonflies dont. crayfish have pincers & gills, dragonflies dont. Dragonflies have wings, crayfish dont. dragonflies start life a a larvae, crayfish dont.
Males have larger claws and smaller abdomens generally.
A frog can ribbet and have different color skin and a crayfish doesn't make sounds
The rostrum is the part of the crayfish that is located between the eyes and the antenna. Rostrum is Latin for "beak" so the rostrum on the crayfish is considered its beak.
The telson is used as a paddle when alarmed to put distance between crayfish and prey. The crayfish makes a rapid movement of its tail which helps it to move backwards swiftly.
chelicerata have got 5 pairs of legs whereas crustaceans have 6 pairs.chelicerata have 2 pairs of antenae whereas crustaceans doesnt have antenae.chelicerates have uniramous appendages,crustaceans have biramous appendages.
An insects antenna protrude from the front of its head near the top.
Spelling. Those are just two different words for the same animal.
Fish have a normal internal skeleton. Crayfish have a shell on the outside of their body and that does the job of a skeleton as well as protects the animal from some forms of attack.
[inbetween the antennas] NOT in between the antennae! those are on the head, while the intestine is in the abdomen.