Question

Mechanism of breathing vary among different groups of animals depending mainly on their
$a$. Habits
$b$. Habitats
$c$ . Levels of organisation
$d$. Demand of situation

• A. $a$ and $b$
• B. $b$ and $c$
• C. $b, c$ and $d$
• D. $a, c$ and $d$

Answer 1

Answer: (B)

Mechanism of breathing vary among different groups of animals depending mainly on their habitats and level of organisation