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Is an animal with a backbone and gills but no notochord still a chordate?
The notochord is a flexible rod found in the embryos of all chordates, and is replaced later in life by the vertebral column and the main axial support of the body. If the animal you are referring to is an adult and lacking a "true notochord", it is still a chordate because the notochord has simply transformed into other parts of the body. However, if it is still an embryo and STILL has no notochord, it is not a true chordate.
Why does killer whales belong to chordata?
Killer whales belong to the phylum Chordata because they possess a notochord, a dorsal nerve cord, pharyngeal slits, and a post-anal tail at some point in their development, which are key characteristics of chordates. These features are present in the early stages of their development, even if they are not as visibly apparent in adult killer whales.
What is a distinguishing characteristics of the members of the genus ambystoma?
One distinguishing characteristic of the members of the genus Ambystoma is their larval form, as they typically have external gills and a distinct aquatic lifestyle before transitioning to their adult form. They also exhibit a diverse range of behaviors and life history strategies, such as paedomorphosis, where some individuals retain their larval features into adulthood.
How many tissue layers do adult amphibians have?
Adult amphibians have three tissue layers: the ectoderm, mesoderm, and endoderm. These layers give rise to different organs and tissues during development.
Why are are humans in Phylum Chordata?
To answer the question in the simplest way, humans have a backbone.However, there is more to it than that, especially given that there are two invertebrate chordate groups - Urochordata (tunicates) and Cephalachordata (lancelets) - whose backbone is not in the form of actual vertebrae.As Chordates (or members of the phylum Chordata), human beings share the following characteristics:dorsal nerve cord which is a bundle of nerve fibres which runs down the back. It connects the brain with the lateral muscles and other organs.notochordwhich is a cartilaginous rod running underneath, and supporting, the nerve cord - in the case of humans, a spine.post-anal tail - an extension of the body past the anal opening. (This feature is not always present in some adult Chordates such as frogs and humans)Pharyngeal pouches - Chordates, at some stage of their life, have pharyngeal grooves and pouches that develop into other essential parts of their anatomy.
What animal exhibits all four chordate features an adult?
The adult tunicate, specifically the subphylum Urochordata, exhibits all four chordate features: a notochord, dorsal nerve cord, pharyngeal slits, and post-anal tail. While tunicates are more commonly recognized in their larval stage, which displays these features prominently, certain adult tunicate forms retain these characteristics in a reduced or modified state. For example, they have a notochord in their larval stage, and some adult forms retain remnants of the nerve cord and pharyngeal slits for filter feeding. Thus, while tunicates are unique among chordates, they do reflect the chordate features in their life cycle.
When are the four chordate characteristics found in Class Reptilaembryo or adult?
1. A notochord that allows for muscle attachment and support2. A dorsal, hollow nerve tail that leads to a distinct brain3. Pharyngeal gills or slits4. Postanal tail
You could recognize an adult sea squirt as a chordate by its?
An adult sea squirt has an endostyle and pharyngeal slits which are two of the five hallmark characteristics of chordates.
Do all adult chordates display all the chordate features?
No, not all adult chordates display all chordate features. Some species may have lost certain features through evolution or have modified them to suit their specific ecological niche. For example, some adult chordates may have lost a notochord or dorsal nerve cord during development.
Three aspects of early development of a snail a mollusk and a humana chordate?
The start out as very small. They will slowly begin to age and develop into the adult forms of their species.
Tadpoles have certain characteristics that are lost as they develop into adult frogs what is one of those characteristics?
Gills.
Is an animal with a backbone and gills but no notochord still a chordate?
The notochord is a flexible rod found in the embryos of all chordates, and is replaced later in life by the vertebral column and the main axial support of the body. If the animal you are referring to is an adult and lacking a "true notochord", it is still a chordate because the notochord has simply transformed into other parts of the body. However, if it is still an embryo and STILL has no notochord, it is not a true chordate.
What are the characteristics of an adult?
Adult butterflies have six legs and bilateral symmetry. In addition, adult butterflies have wings, as well as compound eyes.
What is the stage in life where you begin to develop more adult-like characteristics?
puberty
What are all the characteristics of life for kids?
most of the kids give almost same characteristics as an adult .the only difference is that they take time to respond to it.
What animal can morph?
One example of an animal that can morph is the Axolotl, a type of salamander which has the ability to regenerate lost body parts such as limbs and even parts of its brain. This ability is known as neoteny, where the adult form retains juvenile characteristics.
What is infantile uterus?
A small-sized uterus; a uterus that has failed to attain adult characteristics.
