2025年2月12日 · Chordates are common in all major habitats. Tunicate larvae either seek out a place where they can attach and metamorphose into an adult or develop into adults that float in the open water. Cephalochordates develop in the open water, but as adults they lie partially or entirely buried in sand and gravel.

A chordate (/ ˈ k ɔːr d eɪ t / KOR-dayt) is a bilaterian animal belonging to the phylum Chordata (/ k ɔːr ˈ d eɪ t ə / kor-DAY-tə). All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics ( synapomorphies ) that distinguish them from other taxa .

2024年7月31日 · What are chordates. Learn about the phylum Chordata with examples and their features, including symmetry, habitat, reproduction, evolution, and fossil records.

2023年7月11日 · Chordates exhibit a wide range of habitat adaptations, allowing them to inhabit diverse environments across the world. These adaptations include physiological and morphological characteristics that enable them to survive and thrive in their specific habitats.

Chordates, in terms of diversity and number of species, are in fourth place - after arthropods, nematodes and mollusks. They have managed to colonize a very wide series of ecological niches and present innumerable adaptive traits for various forms of life: aquatic, terrestrial and flying.

2019年4月7日 · A chordate is an animal that belongs to the phylum Chordata, which is part of the Deuterostomes kingdom. Organisms in the Deuterostomes kingdom have a distinct characteristic: their anus develops before their mouth in early embryonic stages.

2024年10月2日 · A notable example is the diverse range of habitats where chordates thrive—from marine and freshwater ecosystems to terrestrial environments and even extreme conditions like polar regions. Chordates are subdivided into three main subphyla based on their morphological and developmental characteristics.

The phylum Chordata consists of both invertebrate and vertebrate chordates. It is a large and diverse phylum. It includes some 60,000 species. Chordates range in length from about a centimeter to over 30 meters (100 feet). They live in marine, freshwater, terrestrial, and aerial habitats. They can be found from the equator to the poles.

Chordata contains two clades of invertebrates: Urochordata (tunicates) and Cephalochordata (lancelets), together with the vertebrates in Vertebrata. Most tunicates live on the ocean floor and are suspension feeders.

2024年3月1日 · Wide-ranging habitat requirements: Chordates often have specific habitat requirements, making them vulnerable to habitat loss and fragmentation. Their populations can serve as indicators of the overall quality and availability of habitats within an ecosystem.