Which of the following is a general character of all arthropods? Group of answer choices Have articulated appendages Have 3 pairs of legs Have 2 pairs of antenna Body is differentiated into head, thorax and abdomen
Question
Which of the following is a general character of all arthropods? Group of answer choices
Have articulated appendages
Have 3 pairs of legs
Have 2 pairs of antenna
Body is differentiated into head, thorax and abdomen
Solution 1
The general character of all arthropods is that they have articulated appendages. This is a feature that is common to all arthropods, including insects, spiders, and crustaceans.
The other options are not general characters of all arthropods. For example, not all arthropods have 3 pairs of legs - this is a characteristic of insects, but not of spiders or crustaceans. Similarly, not all arthropods have 2 pairs of antennae - this is a characteristic of some crustaceans, but not of insects or spiders. Finally, while many arthropods have bodies that are differentiated into a head, thorax, and abdomen, this is not a universal characteristic of all arthropods. For example, spiders have a body that is divided into two parts - the cephalothorax and the abdomen.
Solution 2
The general character of all arthropods is that they have articulated appendages. This is a feature that is common to all arthropods, including insects, spiders, and crustaceans.
The other options are not general characters of all arthropods. For example, not all arthropods have 3 pairs of legs. This is a characteristic of insects, but not of other arthropods like spiders (which have 4 pairs of legs) or crustaceans (which can have more than 3 pairs of legs).
Similarly, not all arthropods have 2 pairs of antennae. This is a characteristic of some crustaceans, but not of insects or spiders.
Finally, while many arthropods have bodies that are differentiated into a head, thorax, and abdomen, this is not a universal characteristic. Some arthropods, like spiders, have a body that is divided into two parts: a combined head and thorax (called a cephalothorax) and an abdomen.
Solution 3
The general character of all arthropods is that they have articulated appendages. This is a feature that is common to all arthropods, including insects, spiders, and crustaceans.
The other options are not general characters of all arthropods. For example, not all arthropods have 3 pairs of legs. This is a characteristic of insects, but not of other arthropods like spiders (which have 4 pairs of legs) or crustaceans (which can have more than 3 pairs of legs).
Similarly, not all arthropods have 2 pairs of antennae. This is a characteristic of some crustaceans, but not of insects or spiders.
Finally, while many arthropods have bodies that are differentiated into a head, thorax, and abdomen, this is not a universal characteristic. Some arthropods, like spiders, have a body that is divided into two parts: a combined head and thorax (called a cephalothorax) and an abdomen.
So, the only general character of all arthropods listed in your options is that they have articulated appendages.
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