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Question

Difficulty: EasyExcretion and Excretory Organs

Match each excretory organ listed on the left with its corresponding organism on the right.

  • Malpighian tubulesCockroach
  • NephridiaEarthworm
  • Green glandsPrawn
  • KidneysHuman

Answer

Malpighian tubules match with Cockroach, Nephridia match with Earthworm, Green glands match with Prawn, and Kidneys match with Human.
Each animal group uses a distinct excretory structure: insects like cockroaches rely on Malpighian tubules to eliminate metabolic waste; annelids such as earthworms possess metanephridia in each body segment; crustaceans like prawns utilize antennal (green) glands near the base of their antennae; and mammals such as humans filter blood through kidneys.

Step-by-Step Solution

1
Identify the characteristic excretory organ for each major animal group.
Insects utilize Malpighian tubules, annelids utilize nephridia, crustaceans utilize green glands, and vertebrates utilize kidneys.
Different animal groups have evolved specific organs adapted for osmoregulation and nitrogenous waste elimination.
2
Pair each listed organ with the representative species from that animal group.
Malpighian tubules pair with Cockroach (insect); Nephridia pair with Earthworm (annelid); Green glands pair with Prawn (crustacean); Kidneys pair with Human (vertebrate).
Correct taxonomy mapping links each species to its structural excretory system.

Key Concept

Excretory Organs Across Animal Groups
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Topics

Excretion and Excretory Organs

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