The embryonated egg of Ascaris represents:
Correct answer: B. An egg with a juvenile
- A. An egg with blastula
- B. An egg with a juvenile
- C. An egg with an egg
- D. An egg with gastrula
Explanation
The embryonated egg of Ascaris represents an egg with a juvenile. In case of Ascaris, the eggs containing the second stage of juvenile are called embryonated eggs. These are infective to human hosts. In suitable conditions of temperature and moisture, these eggs can survive for 5 to 6 years in the soil.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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