Question

The Class A/includes a massive diversity of organisms primarily adapted for flight. However, members of the group are almost all large, flightless birds. The other clade, which includes chickens, sparrows, ducks and many other familiar flighted birds is called

Answer 1

The Class Aves
includes a massive diversity
of organisms primarily adapted for flight. However, members of the group sruthioniformes
are almost all large, flightless birds.
The other clade, which includes chickens, sparrows, ducks and many other famillar
flighted birds is called passerid .
There are three clades within the mammals based primarily on their mode of
reproduction:monotremes
are egg laying
mammals,
Marsupials are pouch-bearing
mammals, and the rest, placental
make up the
vast majority of modern mammalian diversity.
Aves are the warm blooded animals , they have a four chambered heart , bones are pneumatic in nature that is hollow from the inside . The eggs are covered by the calcium bicarbonate layer . The Wings are homologous to forelimbs and are adapted for flying . They have the the adaptation for controlling the body temperature . They have a streamlined body. Flightless bird include the ostrich , emu and kakapo .
Mammals :- The Marsupials are mainly found in the Australian continent. They have a pouch for the protection of the young one . It is only found only in the Australian Continent due to its competition by other mammals in the other continents and they are competitively eliminated . Example of marsupials are kangaroo . Monotreme are the egg laying mammals . Examples are Platypus , spiny anteater and echidna . They are found in the Australian and New guinea region.
Placental mammals are the mammals that have placenta for the treatment of embryo in the gestation period . Examples are Cow , buffalo , Humans .
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