Vocabulary

• on to: Toward something; forward
• for example: As an illustration or instance.
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• for one thing: Used to introduce a reason for something.
• at least: As a minimum
• pass on: A polite way of saying 'to die'
• in mind: Being aware of or considering something.
• in different ways: Using various methods or approaches; with variety.
• result in: To cause or produce as a consequence.
• in retrospect: Thinking back on what happened
• rather than: More exactly; more correctly
• see in: To accompany someone to the entrance of a building or room.
• individual: Single person, looked at separately from others
• stretch: To make your arm, leg muscles long to ease them
• controversial: Causing a great deal of argument, or conflict
• progress: To move forward or toward a place or goal
• crave: To have a very strong desire for something
• evolve: To develop certain features
• spot: A certain place or area
• develop: To explain something in steps and in detail
• purpose: Reason for which something is done; aim; goal
• random: Chosen, done without a particular plan or pattern
• current: Electricity flowing through wires
• environment: Natural world in which plants and animals live
• sacrifice: Person/animal killed in a sacrifice (to a god)
• evolutionary: Concerning gradual change over time
• exist: To be present, alive or real
• theory: Ideas or principles that explain facts or events
• mechanism: Part of a machine that performs a certain function
• occur: To come to pass or to happen
• concern: To be about a particular topic
• reach: To come to or arrive at a goal or destination
• diversity: Having a range of different races, ideas etc.
• genetic: Of, relating to, or controlled by genes
• adapt: To change something for a different function
• preserve: To cook food so it can be kept for long periods
• form: Sports team or person's current winning record
• anticipate: To expect or look ahead to something positively
• result: Something produced through tests or experiments
• evolution: Theory that living things change over time
• suddenly: In an unexpected or very quick manner
• widespread: Happening or existing in many places
• survive: To continue to live despite illness or trouble
• create: To make, cause, or bring into existence
• generation: Act or process of producing or causing something
• nerve: Fibers in the body that enable feeling, movement
• organism: Living thing, often one that is small
• scarce: Not many; Not plentiful or abundant
• sound: Sensible, dependable and reliable
• solely: With no one or nothing else
• retina: Part of the eye that senses light
• mate: A friend who you work, live, or go to school with
• chance: The way something happens without planning
• bring: To take or go with someone to a place
• suit: To be appropriate for a given situation
• natural: Being as one would expect; being usual or normal
• wrong: Action that is harmful, unjust or illegal
• fitness: Good physical condition; being in shape
• step: Movement done as part of a particular dance
• difficult: Hard; not easy; you need to work hard to do it
• future: Time that is to come after the present
• gene: Part of cell controlling development of a thing
• mutate: To develop into another thing; change
• retrospect: A survey or review of a past course of events or period of time.
• predetermine: To decide or determine ahead of time