--%>

Evolutionary benefit of animals with complete digestive tube

State some of evolutionary advantages of the animals having complete digestive tube?

E

Expert

Verified

Complete digestive tube permits animals to continuously feed themselves without waiting for the residuals to get removed before beginning the digestion of new foods. This has allowed the absorption of larger amount of nutrients and hence higher and more complex species can originate. Digestive tubes having two openings can also make digestion more efficient as they offer different sites with different chemical and physical conditions (bowels, mouth, stomach,) for the action of different complementary digestive enzymatic systems.

   Related Questions in Biology

  • Q : Function of antidiuretic hormone Write

    Write the function of antidiuretic hormone? Where it made and which is the stimulus which increase or decrease its secretion?

  • Q : Describe Productivity Improvement

    Productivity Improvement: Productivity is affected by a diversity of factors, from the equipment employed to the attitude of the staff to the quality of materials. Enhancing productivity needs those factors such as these be addressed and mitigated and

  • Q : Excretory systems of arthropod classes

    How are excretory systems of the three major arthropod classes comprised?

  • Q : Write an illustration of cross-reaction

    Write an illustration of cross-reaction.

  • Q : Process of job evaluation Evaluate the

    Evaluate the process of job evaluation and the main factors determining pay.

  • Q : Chemical reaction-breaking of

    Which kind of chemical reaction is the breaking of macromolecules into smaller ones which takes place in digestion? Describe the enzymes which contribute in this process termed?

  • Q : Concentration gradient and active and

    What is the relationship between concentration gradient and active and passive transport?

  • Q : Hormones secreted by adrenal medulla

    Explain which hormones are secreted by the adrenal medulla and their respective functions?

  • Q : Education-Charachetstic of

    This will be one of the major challenges, on the one hand, there is the challenge to meet the expectation of the highly educated with shrinking opportunities for promotion because of the downsizing and flattening so organizations, and on the other hand, there is the challenge of bringing employee

  • Q : Steps or process of decision making

    Steps or process of decision making Step 1: definition of the problem: identifying the problem of choice and then describing it is the starting poin