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
• stretch: To make your arm, leg muscles long to ease them
• desperate: Being beyond hope; prepared to do anything
• thrive: To be or become healthy or successful
• 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
• evolve: To develop certain features
• disease: Illness that affects a person, animal, or plant
• decline: To bend towards the ground
• spread: A big meal, often laid out as a buffet
• evolutionary: Concerning gradual change over time
• continent: Very large piece of land, e.g. Africa or Asia
• encourage: To increase the chance of something happening
• estimate: Guess or calculation of cost, size or value
• avoid: To prevent from happening
• pregnant: Carrying your unborn baby inside you
• genetic: Of, relating to, or controlled by genes
• cause: Belief, goal or organization that people support
• adopt: To legally take a child into your family
• evolution: Theory that living things change over time
• introduce: To open an essay to set the scene
• breed: Kind of / sort of
• strip: To remove your clothes (often sexily for someone)
• isolation: Condition of being in a distinct, separate place
• ecosystem: Types of plants and animals in an specific area
• record: Highest or most extreme level achieved
• soil: Conditions in which something develops
• request: To ask for, usually politely and formally
• 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
• invasion: Entry into a place to cause harm
• 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
• single: One run in cricket or a hit baseball
• peninsula: Narrow strip of land projecting into a sea or lake
• great: Very good; better than before
• fast: In a way that is difficult to move or change
• lizard: Reptile with scales and a long body and tail
• cripple: To hurt and make useless
• touch: To affect feelings, especially by causing sympathy
• long: Person's name
• mutant: Organism derived from a change in genes
• radioactive: Emitting harmful energy from nuclear activity
• man: Humans in general, including male and female
• arrive: To reach the place you are traveling to
• early: Coming/happening before others in a time sequence
• farm: Land used for growing crops or raising animals
• home: House, apartment or building to be rented or sold
• colonization: Act of taking control over a place
• archaeology: The study of ancient societies
• river: Flowing water that runs from mountains to the sea
• animal: A living creature that is not a plant or person
• spanish: Concerning the culture and people of Spain
• farmland: Rural area where farming is practiced