(A) At high altitude the air sacs do not function.
(B) There is little oxygen in the atmosphere at high altitude.
(C) At high altitude birds flap their wings faster.
(D) There is little carbon dioxide at high altitudes.
This is not the character of Primates?
(A) Opposable digits
(B) Binocular vision
(C) A well developed cerebrum
(D) A Cloaca
Ctenoid scales are present on the bodies of?
(A) Chondrichthyes
(B) Osteichthyes
(C) Cyclostomes
(D) Myxini
The arboreal adaptations are those that help the animal to line in or on?
(A) Air
(B) Rock
(C) Trees
(D) Burrows
Which of the following is evidence that molluscs and annelids have common ancestor?
(A) They have setae
(B) They have a Trochophore larva
(C) Neither group has lungs
(D) They include both marine and terrestrial animals
The larva form of liver fluke has cilia?
(A) Reia
(B) Sporocyst
(C) Miracidium
(D) Metacercaria
The uniqueness of adult Echinoderm is due to?
(A) Pentaradial symmetry, Hydrocoel
(B) Bilateral symmetry, Hydrocoel
(C) Bilateral symmetry, Endocoel
(D) Pentaradial symmetry, Endocoel
Classification of arthropoda is based in the number of structure of?
(A) Eyes and Winds
(B) Body segments and Appendages
(C) Muscle and Ligaments
(D) Gills and Hearts