Question

The eggs are small, yellow-brown, EMBRYONATED, and operculated and may have MINIMAL OPERCULAR SHOULDERS:

Answer 1

Answer:

The eggs of trematodes are small, embryonated, yellow-brown in color and operculated. The adult flukes lay operculated eggs except schistosomes.

Explanation:

Trematodes are the parasitic flatworms whose life cycle begin with the egg. The eggs hatch and is now called the miracidium which is the swimming and ciliated larval form. Miracidium then develops into redia followed by cercaria when it meets the host (snail). The cercaria then leaves the snail and matures into an adult which is called metacercaria. The eggs of trematodes have brown shells and are operculated which means they have a cavity which appears as a small cap for the release of larval form. Heterophyes heterophyes is the trematode parasite which have a minimal opercular shoulders and lead to the disease in humans called as heterophyiasis.

Note: Your question is incomplete, but most probably your full question was which of the animal or insects have the eggs which are small, yellow-brown, EMBRYONATED, and operculated and may have MINIMAL OPERCULAR SHOULDERS.

Learn more about trematodes here:

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