1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
FrozenT [24]
3 years ago
12

Which of the following is a characteristic of vertebrates

Biology
1 answer:
Keith_Richards [23]3 years ago
5 0
A vertebrate is an animal with a spinal cord surrounded by cartilage or bone. The word comes from vertebrae, the bones that make up the spine. Animals that are not vertebrates are called invertebrates. Vertebrates include birds, fish, amphibians, reptiles, and mammals.

Vertebrate Characteristics

General characteristics of the sub-phylum Vertebrata are as follows: 
Vertebrates have a well developed brain.Brain is set inside a bony box, known as cranium.Notochord is present in all chordates during sometime of development, it is formed on the dorsal side of the primitive gut in the early embryo stage.Most vertebrates possess guts with a non-terminal anus. The mouth cavity and the oesophagus is connected by the pharyngeal gill slits to a muscular tube pharynx, which opens to the exterior.They possess a dorsal hollow nerve tube at some stage of their life. Possess a dorsal cartilaginous nerve rod known as the notochord. At some stage of their life possess gill slits in the pharyngeal region.Have partially open circulatory system.Possess two pairs of appendages.The endoskeleton is made of cartilage or bone.The first vertebrates were jawless fishes with single caudal fin.The advancement of vertebrates with a hinged jaw which opened new food options and jawed fishes became the dominant creatures in the sea.All vertebrates have a heart and closed circulatory system.Reproduction is normally sexual.Feed on variety of organic materials.Unisexual animals, have one pair of gonads.
You might be interested in
Cross two pea plants. Both are heterozygous for seed type; round (R) is dominant to wrinkled (r).
Fudgin [204]

Answer: I hope the file helps you out :)

Download pdf
5 0
2 years ago
How does magma form rocks that look smooth and glassy
algol13

Answer:

Magma that flows then cools on the earth's surface fast enough that there is no time for any crystals to form on the rocks and are as smooth as glass.

Explanation:

8 0
2 years ago
______ nations are those who do not have the resources to carry on productive trade agreements.
Marrrta [24]
Multilateral nations are those who do not have the resources to carry on productive trade agreements. 
6 0
3 years ago
Read 2 more answers
2)
Alla [95]

Answer:

AAAAAAAAAAAAA

Explanation:

3 0
2 years ago
Read 2 more answers
¿De qué manera los organismos descomponedores participan en los ciclos biogeoquímicos?
Olenka [21]

Answer:

Decomposition dead organisms by fungi and bacteria remove sulfur groups from amino acids, producing hydrogen sulfide, returning inorganic sulfur to the environment.

Explanation:

6 0
2 years ago
Other questions:
  • Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? Give an example of this type
    15·1 answer
  • The graph shows the average monthly rainfall for a forested area.
    11·2 answers
  • Thomas's biological mother and father are both gifted athletes. He was adopted by a couple who had no interest in him being invo
    11·1 answer
  • Which type of protein, embedded in the plasma membrane, aids reactions of molecules that arrive?
    7·2 answers
  • Match the correct function to the structure of the skin (muscles, oil glands, nerve endings)
    10·2 answers
  • Metamorphic rock can change into igneous or sedimentary rock depending on what happened to it.
    12·1 answer
  • g Two closely related species of plant (A and B) hybridize to form a new species (C). Species A is diploid and has 8 chromosomes
    10·1 answer
  • What does Hyperbole mean
    7·2 answers
  • Is there a difference between cell division and reproduction?
    10·1 answer
  • How is the movement of leaves of the sensitive plant different from the movement of a shoot towards.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!