(A) The term "phylum" was introduced by the German biologist Ernst Haeckel in $1866$. It was used to describe the primary divisions of the animal king

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(A) The term "phylum" was introduced by the German biologist Ernst Haeckel in $1866$. It was used to describe the primary divisions of the animal kingdom based on body plan and evolutionary relationships.

Class 11 Biology Animal Kingdom Mix Examples - Animal Kingdom

Easy

The term "phylum" in animal classification was coined by

AIPMT 1992 All AIPMT

AIIMS 1986 All AIIMS

A
$E$. Haeckel
B
John Ray
C
$G$.$L$. Cuvier
D
Carolus Linnaeus

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Animal Kingdom

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Mix Examples - Animal Kingdom

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These animals are oviparous or ovoviviparous and exhibit internal fertilization.

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Which of the following phyla exhibit bilateral symmetry?

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Trochophore larva is found in

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Which of the following characteristics is not shared by birds and mammals?

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Fill in the blank spaces appropriately in the table below:

Phylum/Class Excretory organ Circulatory system Respiratory organ

Arthropoda $...............$ $...............$ Lungs/Gills/Tracheal system

$...............$ Nephridia Closed Skin/Parapodia

$...............$ Metanephridia Open $...............$

Amphibia $...............$ Closed Lung

Phylum/Class	Excretory organ	Circulatory system	Respiratory organ
Arthropoda	$...............$	$...............$	Lungs/Gills/Tracheal system
$...............$	Nephridia	Closed	Skin/Parapodia
$...............$	Metanephridia	Open	$...............$
Amphibia	$...............$	Closed	Lung