Meaning: 'Separation' refers to the state of being apart from someone or something, which is relevant to the emotional experiences of infants and toddlers.

Wrong options:

• expected: 'Expected' is an adjective that does not fit the context of loss or emotional experiences, as it does not describe a state of being related to loss.
• obesity: 'Obesity' is a noun that refers to excessive body weight, which is unrelated to the emotional context of the sentence.
• picturesque: 'Picturesque' is an adjective that describes something visually attractive, which does not relate to the emotional experiences of infants and toddlers.
• attuned: 'Attuned' is an adjective that describes being in harmony or aware, which does not fit as it does not relate to loss or separation.
• irritable: 'Irritable' is an adjective that describes a state of annoyance or anger, which does not fit as it does not describe a type of loss.

Correct answer: attuned

Explanation: The term 'attuned' is an adjective that describes the ability to be aware of and responsive to the emotions and behaviors of others. It fits grammatically and contextually, as it highlights the sensitivity of infants and toddlers to their caregivers' emotional states.

Meaning: 'Attuned' means being in harmony or aware of something, particularly in relation to emotions and behaviors.

Wrong options:

• expected: 'Expected' is an adjective that does not convey the idea of sensitivity or awareness, making it unsuitable in this context.
• separation: 'Separation' is a noun that does not fit grammatically as it does not describe a state of awareness or responsiveness.
• obesity: 'Obesity' is a noun that is unrelated to emotional awareness and does not fit the context of the sentence.
• picturesque: 'Picturesque' is an adjective that describes visual appeal, which does not relate to emotional sensitivity.
• irritable: 'Irritable' is an adjective that describes a state of annoyance, which does not convey the idea of being aware or responsive.

Correct answer: irritable

Explanation: The word 'irritable' is an adjective that describes a state of being easily annoyed or angered. It fits grammatically and contextually, as it describes a possible emotional response of a young child following the death of a loved one.

Meaning: 'Irritable' refers to a state of being easily annoyed or angered, which can occur in children experiencing emotional distress.

Wrong options:

• expected: 'Expected' is an adjective that does not describe an emotional state and is not relevant in this context.
• separation: 'Separation' is a noun that does not fit grammatically as it does not describe an emotional response.
• obesity: 'Obesity' is a noun that refers to excessive body weight, which is unrelated to emotional responses in children.
• picturesque: 'Picturesque' is an adjective that describes visual attractiveness, which does not relate to emotional states.
• attuned: 'Attuned' is an adjective that describes awareness or responsiveness, which does not fit as it does not describe an emotional reaction.