In this episode Mrs Corbett doesn't change at all as she tries to teach her husband about adaptation.

In this episode Mrs Corbett tries to teach her husband about factors that can affect an ecosystem, SPOILERS none of them are the X-factor

In this episode Mrs Corbett makes friends with the neighbours and tries to teach her husband about communities

In this episode, Mrs Corbett gets things in order and tries to teach her husband about classification.

In this episode Mrs Corbett tries to teach her husband about resistant bacteria, and he doesn't resist. Unlike some bacteria that resists. They're called resistant bacteria. See I do listen

In this episode, Mrs Corbett tries to make herself feel young by trying to teach her husband about fossils.

In this episode, Mrs Corbet tries to teach her husband about genetic modification,

In this episode, Corbett tries to teach her husband about selective breeding

In this episode, Mrs Corbett doesn't adapt at all as she tries to teach her husband about evolution

In this episode, Mrs Corbett doesn't change a thhng and tries to teach her husband about variation