Vocabulary

• recorded history: The period of time for which written records exist.
• go back to: To return to a starting point
• such as: For example; like
• in addition to: Besides; as well as
• home in: Move or direct toward a specific target or goal.
• in theory: According to the stated ideas or principles
• in isolation: Separately from other people or things; alone.
• on earth: Used to emphasize a question expressing surprise or anger.
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• with just: Using only; with no more than.
• think of: To look on as (being something specific); consider
• desperate: Being beyond hope; prepared to do anything
• thrive: To be or become healthy or successful
• fascinating: To attract or interest greatly
• devastating: To cause extensive destruction or ruin utterly
• native: Someone from or born in a specific country
• deliberately: In a careful, considered manner; on purpose
• impact: A striking effect or result to hit with force
• attempt: To try to do something challenging or difficult
• consider: To think carefully about something
• disease: Illness that affects a person, animal, or plant
• evolutionary: Concerning gradual change over time
• encourage: To increase the chance of something happening
• estimate: Guess or calculation of cost, size or value
• collapse: To fold (e.g. a stroller) down to make it smaller
• escape: Act to briefly ignoring boring or bad things
• genetic: Of, relating to, or controlled by genes
• cause: Belief, goal or organization that people support
• release: To free someone from a responsibility or burden
• introduce: To open an essay to set the scene
• breed: Kind of / sort of
• record: Highest or most extreme level achieved
• role: Character played by an actor
• fall: Season after summer and before winter; Autumn
• soil: Conditions in which something develops
• solution: Mix of a liquid and a solid or a gas
• expose: To make visible, without covering or protection
• investigate: To try to find out facts; to carry out research
• mammal: Animal which drinks milk from its mother
• organize: To arrange and plan things, e.g. a party
• trace: To make an outline to determine a shape
• devastate: To cause extensive destruction or ruin utterly
• biological: Being related to life and living things
• century: Period of 100 years
• single: One run in cricket or a hit baseball
• imperial: Of an empire or an emperor
• starve: To (cause to) be hungry or go without food
• invade: To enter something causing a harmful result
• public: Owned by the government
• government: Group of people and system that rule a nation
• bring: To take or go with someone to a place
• virus: File secretly put on computers to cause harm
• great: Very good; better than before
• agricultural: Concerning farming, or the land
• difference: A thing or issue that people do not agree about
• fence: Wood, metal structure enclosing an area, land
• fast: In a way that is difficult to move or change
• wind: A current of air moving approximately horizontally, especially one strong enough to be felt
• return: To hit something back to the other player or team
• lizard: Reptile with scales and a long body and tail
• mutant: Organism derived from a change in genes
• colonization: Act of taking control over a place
• farmland: Rural area where farming is practiced