Vocabulary

• have to: Must do
• on earth: Used to emphasize a question expressing surprise or anger.
• glimmer of hope: A faint sign or possibility that something good might happen or be achieved.
• in the meantime: During the time between two events; meanwhile.
• in the first place: To begin with; as the first point or consideration.
• ultimate: Basic; original; most significant
• critical: Making a negative judgment of something
• effort: Amount of work used trying to do something
• technique: Way of doing by using special knowledge or skill
• term: Conditions applying to an agreement, contract
• tricky: Difficult, so needing skill to do or deal with
• artificial: Dishonest, to seem fake, not sincere
• coincidence: Occurrence by chance, not design or planned
• develop: To explain something in steps and in detail
• complex: Group of buildings all used for the same purpose
• territory: Area of land defended by an animal
• ambitious: Having the desire to be successful in life, work
• establish: To set or create something to last for a long time
• concern: To be about a particular topic
• pregnant: Carrying your unborn baby inside you
• faith: Belief in a god or gods; religion
• diversity: Having a range of different races, ideas etc.
• genetic: Of, relating to, or controlled by genes
• preserve: To cook food so it can be kept for long periods
• require: To demand that someone does something
• population: Number of people who live in a country, area etc.
• extract: Essential ingredient of a natural thing
• leap: To enter or start something eagerly
• optimistic: Tending to believe the future will be good
• create: To make, cause, or bring into existence
• breed: Kind of / sort of
• relate: To demonstrate a logical relationship between
• extinction: When every example of animal, plant is dead
• extinct: (Of animal, etc.) having died out; with none left
• responsibility: Job, task or thing you are expected to look after
• produce: Fresh foods such as fruits and vegetables
• civil: Of citizens of a country; not military, criminal
• viable: Being capable of living, growing, and developing
• suggest: To mention something that could be done; propose
• pregnancy: When a woman carries her unborn baby inside her
• complicate: To make more difficult to do, understand or use
• brink: Near to happening; on the verge of
• ideally: In a perfect way; very suitably
• sperm: Cell produced by men and needed for reproduction
• promise: To say you will certainly do something
• fortunate: Having good luck
• embryo: Tiny plant stored inside a seed
• perfect: So good it cannot be improved
• revive: To return to life, good health, strength etc.
• carry: To have a child, be pregnant
• surrogate: Person appointed in the place of another
• weak: Not having a strong character
• begin: To do the first part of an action; to start
• calf: Young cow
• line: Border that divides two places or regions
• plan: Drawing of how something should be done or made
• save: To make your computer keep a file
• glacial: Being extremely and especially cold
• hope: When you wish something will happen; what you wish
• munch: Sound made when eating something quickly or loudly
• glimmer: Dull, weak light
• decimate: to kill a large number of something, or to reduce something severely
• rhino: Large mammal with one or two horns on its nose
• illegally: In a manner not allowed by law; criminally
• expend: To use a lot of something, such as time or energy
• surrogacy: Act of being used in place of another