$A$ blastula which is solid,is known as
- AStereoblastula
- BCoeloblastula
- CSuperficial blastula
- DDiscoblastula
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Similar Questions
Radial symmetry occurs in
Medium
View SolutionSelect the correct match for $X$ and $Y$:
Column $X$ Column $Y$ $(1)$ Green gland $(P)$ Mollusca $(2)$ Digestive tract with digestive glands $(Q)$ Arthropoda $(3)$ Straight or coiled alimentary canal $(R)$ Hemichordata $(4)$ Straight or $U$-shaped digestive tract $(S)$ Echinodermata
| Column $X$ | Column $Y$ |
| $(1)$ Green gland | $(P)$ Mollusca |
| $(2)$ Digestive tract with digestive glands | $(Q)$ Arthropoda |
| $(3)$ Straight or coiled alimentary canal | $(R)$ Hemichordata |
| $(4)$ Straight or $U$-shaped digestive tract | $(S)$ Echinodermata |
Medium
View SolutionIdentify the mismatched pair regarding the endoskeleton of animals.
Medium
View SolutionIn contrast to Annelids,the Platyhelminthes show
Medium
View Solution$S$ - Statement: In $Ascaris$,excretion occurs through flame cells.
$R$ - Reason: Platyhelminthes possess a complete digestive system.
$R$ - Reason: Platyhelminthes possess a complete digestive system.
Medium
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