The ability of internal body organs and tissue to do a specific function to be able to deal with the changes in the environment is ...............

............ is important for animals to find ways to find their food and to adapt with the different climates

............ is when an organism develops a body feature that helps it to survive

Fish breathing through gill under water is considered ...........

Bears during winter go into ........

............. is when an internal body mechanism of an animal helps them to survive

Desert foxes having large ears for heat radiation is considered ............

Camels having two rows of eyelashes that protect its eyes during sandstorms is considered ...............

Secreting poison in snakes is considered ............