Arthropods
Arthropods
Arthropods are highly successful animal species; this section introduces their classification and structures.
Learning Outcome: List the characteristics of arthropods and provide examples of crustaceans, insects, and arachnids.
If you are looking for animals to study, you are likely to encounter arthropods.
Arthropods rule Kingdom Animalia, at least in term of number of different species.
This section starts with a video overview of Phylum Arthropoda.
The organisms in these two videos are arthropods classified in Subphylum ________________.
answer: Crustacea (the crustaceans)
Arthropods do not have an internal skeleton, they have an _____.
To grow substantially in size, an arthropods has to molt or shed its exoskeleton. This has risks, some organisms lose appendages in the process, or get stuck in the exoskeleton and die or are eaten.
Insects have _____ body segments; spiders have two body segments.
The pictured arachnid is not a spider, it has only one body segment. This is one of over 6,000 species of “harvestmen” arachnid arthropods.
Arthropods have _____ eyes; each eye is a separate visual receptor.
Can’t get enough of the arthropods? Here is a summary overview.
The next section features animals that build structures, including arthropods.
Check your knowledge – Arthropods
Review your notes. Can you describe characteristics and examples of arthropods? If so, move forward to the next page.
Learning Objective:
List the characteristics of arthropods and provide examples of crustaceans, insects, and arachnids.
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