tadpole shrimp

Thân thiện

A tadpole shrimp swims in a shallow freshwater pond.

Definition

Noun: 1. A kind of branchiopod crustacean: A small freshwater crustacean of the order Notostraca, characterized by a broad, flat carapace that covers much of its body and a long, segmented abdomen, giving it a superficial resemblance to a tadpole. They are often considered living fossils.

Usage

• The tadpole shrimp is an ancient species that has remained largely unchanged for millions of years.
• Biologists study the tadpole shrimp to understand primitive arthropod evolution.
• A temporary rain pool can be a habitat for the resilient tadpole shrimp.

Advanced Usage

• Ecological Indicator: Tadpole shrimp are sometimes used as bioindicators due to their specific habitat requirements in temporary freshwater pools.
• "Living Fossil": This term is frequently applied to the tadpole shrimp ( and genera) because their morphology has persisted over extremely long geological periods.

Variants and Related Words

• Notostraca: The scientific order to which tadpole shrimp belong.
• Triops: A common genus of tadpole shrimp.
• Branchiopod: The larger class of crustaceans that includes tadpole shrimp, fairy shrimp, and water fleas.
• Carapace: The hard, shield-like part of the exoskeleton that covers the tadpole shrimp's head and thorax.

Synonyms

• Shield shrimp
• Notostracan

Related Phrases

• Temporary pool fauna: A phrase describing the community of organisms, including tadpole shrimp, that inhabit ephemeral water bodies.
• Living fossil organism: A descriptive phrase often associated with the tadpole shrimp.

Học thuật

Noun

1. a kind of branchiopod crustacean