An animal in which food is completely digested in the gut is
Correct answer: D. Cockroach
- A. Hydra
- B. Amoeba
- C. Planaria
- D. Cockroach
Explanation
The correct answer is the cockroach. Cockroaches possess a well-developed digestive system with a mouth, esophagus, crop, gizzard, stomach, intestine, and anus, allowing for complete digestion of food in the gut. In contrast, hydras and planaria have simpler digestive systems where food is not fully digested, and amoebas digest food intracellularly, which is not complete digestion within a gut.
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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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