10 Questions
Which organisms have evolved macroherbivory?
Molluscs
What is a radula?
A muscularized rasp armed with chitinous teeth
What is the main feeding strategy of herbivory?
Consumption of macroscopic plants
Which invertebrates have biting and chewing mechanisms?
Molluscs, polychaete worms, arthropods, and sea urchins
What do polychaetes use to scrape off algae?
An extensible proboscis or pharynx with large chitinous teeth
What is the definition of herbivory?
Herbivory is the consumption of macroscopic plants.
What are some invertebrates that have evolved macroherbivory?
Some invertebrates that have evolved macroherbivory include molluscs, polychaete worms, arthropods, and sea urchins.
What is a radula and how is it used by molluscs?
A radula is a muscularized, belt-like rasp armed with chitinous teeth. Molluscs use the radula to scrape algae off rocks or to tear the leaves off terrestrial plants.
What do polychaetes use to scrape off algae?
Polychaetes use sets of large chitinous teeth on an extensible proboscis or pharynx to scrape off algae.
What are the common characteristics of biting and chewing mechanisms in invertebrates?
Biting and chewing mechanisms in invertebrates are often characterized by the development of hard surfaces (e.g., teeth) that powerful muscles manipulate.
Test your knowledge on herbivory and learn about the consumption of macroscopic plants by various organisms. Explore the evolution of biting and chewing mechanisms within invertebrate lineages.
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