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Which type of organism developed first A. Deuterostomes B. Vertebrates C. Chordates D. Sponges?
KristianaMariaCarpen...
D.Sponges
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Which organism has no backbone?
Animals with backbones are called "vertebrates." Animals without backbones are called "invertebrates."
Trace elements are those required by an organism in only minute quantities Which of the following is a trace element that is required by humans and other vertebrates?
iodine
What is the function of a postanal tail on a chordate?
a muscular structure at the end of the developing chordate.
Which was the first organism with a vertebra?
The first vertebrates (as far as is known) were a group of extinct*, jawless, heavily-armored fishes called Ostracaderms. *There are a few zoologists who feel that the hagfish and possibly the lamprey and slime hag are ostracaderms, but I disagree. I'm not at all sure that the hagfish and slime hag are true vertebrates.
What is the name of the organism that does not have brain?
Brain is the ability to sense and to react or we can say it is the rellay center between action and its reaction although every organism show some stimulations known as taxis but those which have well defined brain or nervous system are called CHORDATES, Well those organism which do not have brain comes under nonchordates although there is one more category which is known has hemichordates : they have under develop nervous system
Which type of organism developed first vertebrates or chordates or sponges or Deuterostomes?
sponges -apex
Difference between chordates and vertebrates?
humans are vertebrates as hey have the vertebral column(to be more specific the notochord). u can feel your vertebral column by placing your hand on your back.the bony structure that seems to divide your back into two equal halves is nothing but your vertebral column.
Which organism has a true body cavity?
chordates
Can chordates not have a notochord and still be what they are?
The presence of a notochord at some point in the organism's development is one of the characteristics that distinguishes chordates from other phyla. Without it, I'm not sure if the organism would be considered a chordate.
What organism has a backbone?
Vertebrates
Is the organisms vertebrates or invertebrate?
It depends which organism you are referring to.
Vertebrates and invertebrates?
a vertebrate is a living organism with a backbone and an invertebrate is a living organism without a backbone
What is a organism that has a skeletal system?
Vertebrates are those that have a skeletal system.
What is another name for an animal with a backbone?
A living organism with a segmented backbone is a vertebrate.
What is any organism that has a skeletal system?
Vertebrates are those that have a skeletal system.
What evidence is there that vertebrates produce high numbers of offspring?
because it is an organism
Are kangaroos segmented?
Yes. Multicellular means an organism has more than one cell. Kangaroos are vertebrates and all vertebrates are multicellular.
