Meaning: "precious" means very valuable or special.

Wrong options:

• precios: It leaves out the "u". The right spelling is "precious". Every letter must be correct to get the mark.

Correct answer: nurture

Explanation: Listen for "of nature and nurture". It is a word for upbringing, ends in ure.

Meaning: "nurture" means care or upbringing by people and environment.

Wrong options:

• nuture: It leaves out the "r". Write "nurture". Only the exact spelling gets the mark.
• nature: This is the other word in the phrase, not the missing word here.

Correct answer: code

Explanation: On the recording you hear "the same genetic code". It comes after "genetic", so you need a word for a thing.

Meaning: "code" means the set of instructions in genes.

Wrong options:

• cod: It leaves out the "e". The right spelling is "code". Every letter must be correct to get the mark.

Correct answer: factors

Explanation: Listen again to "environmental factors such as". You need more than one, so add s at the end.

Meaning: "factors" means different things that cause a result.

Wrong options:

• factor: "factor" has no "s" at the end. The speaker says "factors", so write the "s".
• facters: It has "e" where the word has "o". Write "factors". Only the exact spelling gets the mark.