What are arthropods?
Arthropods are invertebrates that belong to the Phylum Arthropoda. They have a degmented body, jointed limbs, and usually a shell that undergoes moldings. Arthropods are mostly Insects, Arachnids and Crustaceous.
Arthropods are invertebrates that belong to the Phylum Arthropoda. They have a degmented body, jointed limbs, and usually a shell that undergoes moldings. Arthropods are mostly Insects, Arachnids and Crustaceous.
How did we collected data of the arthropods:
We collected data from the arthropods when we were at the lodge and the guides showed us some arthropods inside some kind of jars. We passed them around so everyone could see those arthropods and they explained us the differences between arthropods. Now we know how to distinguish butterflies from moths, crickets and grasshoppers, spiders from ants, and some more arthropods. They also explained us the characteristics of each kind of arthropod and what they eated. The guides explained us almost all about animals. Also, every arthropod we saw in the long walk, we captured it and the guide started talking about that arthropod and answered our questions about it. This made us gain a lot od knowledge about insects.
We collected data from the arthropods when we were at the lodge and the guides showed us some arthropods inside some kind of jars. We passed them around so everyone could see those arthropods and they explained us the differences between arthropods. Now we know how to distinguish butterflies from moths, crickets and grasshoppers, spiders from ants, and some more arthropods. They also explained us the characteristics of each kind of arthropod and what they eated. The guides explained us almost all about animals. Also, every arthropod we saw in the long walk, we captured it and the guide started talking about that arthropod and answered our questions about it. This made us gain a lot od knowledge about insects.
Identify different arthropod classes:
1a) -Two pairs of antennae; variable number of legs: Class Crustacea, go to 2
1b) -One pair of antennae or none: go to 3
2a) -Two distinct body region; five pair of legs: Order Decapoda
2b) -Three distinct body regions; seven pair of legs: Order Isopoda
3a) -No antennae; two distinct body regions; four pair of legs: Class Arachnida
3b) -One pair of antennae: go to 4
4a) -Three distinct body regions; Three pair of thoracic legs; wings present or not: Class Insecta
4b) -Two distinct body regions: go to 5
5a) -One pair of legs per trunk segment: Class Chilopoda
5b) -Two pairs of legs per trunk segment: Class Diplopoda
1a) -Two pairs of antennae; variable number of legs: Class Crustacea, go to 2
1b) -One pair of antennae or none: go to 3
2a) -Two distinct body region; five pair of legs: Order Decapoda
2b) -Three distinct body regions; seven pair of legs: Order Isopoda
3a) -No antennae; two distinct body regions; four pair of legs: Class Arachnida
3b) -One pair of antennae: go to 4
4a) -Three distinct body regions; Three pair of thoracic legs; wings present or not: Class Insecta
4b) -Two distinct body regions: go to 5
5a) -One pair of legs per trunk segment: Class Chilopoda
5b) -Two pairs of legs per trunk segment: Class Diplopoda
Different types of arthropods and their characteristics.
Diferences between insects and arachnids:
Insects:
-Body composed by three parts (Thorax, Head, Abdomen)
-They have six legs
-They have compound eyes
-They may have wings
-They have antennae
-They have mandibles
Arachnids:
-Body composed by two parts (Cephalotorax, Abdomen)
-They have eight legs
-They have simple eyes
-All wingless
-They don't have antennae
-They have chelicerae
Insects:
-Body composed by three parts (Thorax, Head, Abdomen)
-They have six legs
-They have compound eyes
-They may have wings
-They have antennae
-They have mandibles
Arachnids:
-Body composed by two parts (Cephalotorax, Abdomen)
-They have eight legs
-They have simple eyes
-All wingless
-They don't have antennae
-They have chelicerae
Differences between insects and arachnids.