(a) No Answer Required. No written answer to the petition need be filed by the parent or legal custodian. The parent or legal custodian of the child may enter an oral or written answer to the petition or remain silent.
(b) Denial of Allegations. If the parent or legal custodian denies the allegations of the petition, remains silent, or pleads evasively, the court shall enter a denial of dependency and set the case for an adjudicatory hearing.
(c) Admission of or Consent to Dependency. The parent or legal custodian may admit or consent to a finding of dependency. The court shall determine that any admission or consent to a finding of dependency is made voluntarily and with a full understanding of the nature of the allegations and the possible consequences of the admission or consent, and that the parent has been advised of the right to be represented by counsel. The court shall incorporate these findings into its order in addition to findings of fact specifying the act or acts causing dependency, by whom committed, and facts on which the findings are based.