Meaning: "healthy" means full of good health and strength here.

Wrong options:

• healty: It leaves out the "h". Check the letters: "healthy". A small spelling mistake loses the mark.
• wealthy: Wealthy means having money, not good health.

Correct answer: thrive

Explanation: Listen for "they can thrive without". The sentence needs an action word showing growth, not survival.

Meaning: "thrive" means to grow well and be strong without help.

Wrong options:

• survive: Survive means just stay alive, not grow strongly.

Correct answer: depletion

Explanation: On the recording you hear "preventing the depletion of". After "the" you need a word for loss of something.

Meaning: "depletion" means the loss or reduction of important materials.

Wrong options:

• depleation: It adds an extra "a". Check the letters: "depletion". A small spelling mistake loses the mark.
• depression: Depression means low mood, not loss of nutrients.

Correct answer: predators

Explanation: Listen again to "the presence of natural predators to". You need a word for animals that eat pests.

Meaning: "predators" means animals that hunt and eat other animals to control pests.

Wrong options:

• prey: Prey are animals eaten by predators, not hunters.