Question

12. Indicati animalele vertebrate, in sistemul excretor al cărora lipseste vezica urinara a) amfibierui; b) reptilele; c) pasarile; d) mamiferele16. Indicali animalele, la care lipseşte cutia toracică: a) amfibieni; b) reptilele, c; pasarile d) mamiferele.17. Indicati muschiul, caracteristic numai mamiferelor: a) intercostal: b) pectoralc) diafragma, d) cervical19 Indicati animalele: la care pielea practic este lipsită de glande: a) peştii: b)amfibienii c) reptilele; d) mamiferele.21. Indicati animalele, sistemul nervos al cărora nu se imparte in central şi periferica) celenterate; b) moluşte; c) insecte; d) viermi inelati23. Indicati animalele acvatice, pentru care este caracteristica fecundatia interna a)polichete; b) peştii ososi: c) moluşte bivalve, d) peşti cartilaginosiAjutati va rog !!!​

Answer 1

Ответ:

12. c) pasarile

16. a) amfibieni

17. c) diafragma

19. c) reptilele

21. a) celenterate

23. d) peşti cartilaginosi

Answer 2

Animals with Missing Urinary Bladder in their Excretory System

The animals in which the urinary bladder is missing in their excretory system are amphibians (a) and reptiles (b) [[1]].

Animals with Missing Thoracic Cavity

The animals in which the thoracic cavity is missing are amphibians (a), reptiles (b), birds (c), and mammals (d) [[2]].

Muscle Characteristic Only to Mammals

The muscle that is characteristic only to mammals is the diaphragm (c) [[3]].

Animals with Skin Lacking Glands

The animals in which the skin is practically devoid of glands are fish (a), amphibians (b), reptiles (c), and mammals (d) [[4]].

Animals with Undivided Nervous System

The animals in which the nervous system is not divided into central and peripheral are cnidarians (a), mollusks (b), insects (c), and annelid worms (d) [[5]].

Aquatic Animals with Internal Fertilization

The aquatic animals for which internal fertilization is characteristic are polychaetes (a), bony fish (b), bivalve mollusks (c), and cartilaginous fish (d) [[6]].

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