To reference a VHDL library or package file in your VHDL file, do the following: 1  To reference a package file, include a use statement. 2  To reference a library file, include a use and a library statement.
Animal and plant adaptations and behaviours. Adaptations help organisms survive in their ecological niche or habitat; adaptations can be anatomical, behavioural or physiological. Anatomical adaptations are physical features such as an animals shape. Behavioural adaptations can be inherited or learnt and include tool use, language and swarming behaviour. Physiological adaptations include the ability to make venom; but also more general functions such as temperature regulation.
environment. These characteristics fall into three main categories: body parts, body coverings, and behaviors. Any or all of these types of adaptations play a critical role in the survival of an animal. Adaptations can be either physical or behavioral. A physical adaptation is some type of structural modification made to a part of the body.