They lay eggs and perform external fertilization.
Since most reptiles have hard shells, it would be impossible to fertilize an egg after it is laid. Therefore most reptiles perform a sort of internal fertilization.
An internal help desk is made up of employees of the product or service in question. An external help desk is usually contracted to perform the same duties.
The lungs perform the following cellular respiratory processes - pulminory ventilation external respiration internal respiration
A customer is anyone you perform a function for that either assists them in some way or provides a product for them, whether internal or external. An internal customer is within the same company, and an external customer is someone outside the company.
Model Base
A customer is anyone you perform a function for that either assists them in some way or provides a product for them, whether internal or external. An internal customer is within the same company, and an external customer is someone outside the company.
Elephants that perform tricks in zoos and circuses.
Internal, as do most mammals. Typically, it takes 3 porpoises -- the mating couple and one other to lift them up so them can breathe. Porpoises also live-nurse their young.
to tell the cell when to perform certain fucntions such as cell division and DNA replication
I would say that the rectus abdominis would be the main muscle associated with trunk flexion, but the external and internal obliques also perform trunk flexion.
internal auditors perform an operational audit as part of their assurance services they render to oganisations.