CBSE Class 9 Answered

Warm-blooded animals can self-regulate their body temperature. Warm-blooded creatures, like mammals and birds, try to keep the inside of their bodies at a constant temperature. In cooler environment, they generate heat by converting food they eat into energy. These animals cool themselves in hotter environment.

Tapeworm and Ticks are examples of parasites.

Tapeworm is an endoparasite (living within the body) and ticks are ectoparasites (living outside the body).