Vocabulary

• keystone species: A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
• out there: In or to a place that is far away
• work on: To devote effort to improve or develop something
• used to: Did regularly before, but don't do now
• work to do: Tasks or activities that need to be accomplished.
• put together: To build or assemble something small, e.g. a toy
• thanks to: Because of; as a result of.
• build on: To develop or expand something; to use something as a foundation for further progress.
• in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
• zero in: To focus on a target
• by the ton: In very large quantities or amounts.
• show up: To arrive or be seen at a place, e.g. a party
• of the century: The most notable or important in a hundred-year period.
• to death: Extremely; to a great degree
• go on: To continue doing something
• turned out: To arrive for a public event or entertainment
• figure out: To understand the behavior of someone
• have to: Must do
• first off: To begin with; firstly.
• over time: Gradually; as time passes.
• back into: To drive a vehicle backwards into a space or area.
• move ahead: To make progress; advance.
• at the same time: Simultaneously; at the identical moment.
• same time: Occurring simultaneously or at the same point in time.
• around the world: In or to many countries.
• go public: To offer shares of a company to the public on the stock market for the first time.
• think about: To consider something carefully.
• moral obligation: A duty based on moral principles and values.
• in a big way: To a great or significant extent.
• come back: To reply to someone, often forcefully
• zoo: Place in a town where wild animals are shown
• meet: To provide something that is necessary
• work: The product of some artistic or literary endeavor
• animal: A living creature that is not a plant or person
• bird: Animal with feathers that uses wings to fly
• people: Persons sharing culture, country, background, etc.
• wait: To delay or not do something until later
• name: What something or someone is called
• kind: In a caring and helpful manner
• living: To be alive
• red: Being the color of blood
• put: To move or place a thing in a particular position
• museum: Building to display art/science/history objects
• photograph: To take a picture with a camera
• cow: Large farm animal from which we get milk and beef
• passenger: Person who is traveling in a vehicle
• call: A order or request for action
• bring: To take or go with someone to a place
• chicken: A bird raised for its eggs and meat
• forest: Large area with many trees
• wild: In a manner which lacks control
• woolly: Confused and vague; used especially of thinking
• machine: Piece of equipment used to do work
• push: To move into enemy country with a military attack
• happen: To take place or occur
• nature: Person's character or particular way of behaving
• news: Broadcast on radio or TV about recent events
• century: Period of 100 years
• bit: Device put in a horse's mouth to control it
• left: To go away from; depart
• hunt: To search for wild animals to kill (for food)
• alive: Living; not dead
• frozen: Hard, solid because it is below zero degrees
• technology: Use or knowledge of science in industry etc.
• northern: In or toward the north
• protect: To defend someone or something from harm or danger
• tissue: Substance formed by cells of living thing; flesh
• ancient: Very old; having lived a very long time ago
• female: Person of the sex that gives birth to babies
• population: Number of people who live in a country, area etc.
• result: Something produced through tests or experiments
• cattle: Cows or bulls on a farm
• replace: To use instead of something else
• scientist: Person who is trained in a science
• endanger: To bring a person/thing into a dangerous situation
• conservation: Protecting the environment or a species
• basically: Used before you explain something simply, clearly
• breeding: To create situations for a (bad) thing to happen
• cell: Smallest unit of living things in biology
• precision: Performed in a very careful, detailed manner
• hosted: To be the sponsor of an event, e.g. the Olympics
• expand: To make something larger in size, number, amount
• discovery: Learning something for the first time
• tail: Extended part at the back of an animal's body
• extinct: (Of animal, etc.) having died out; with none left
• extinction: When every example of animal, plant is dead
• germ: Tiny organism that can cause sickness and disease
• stem: Long thin central part of a plant, bearing leaves
• gene: Part of cell controlling development of a thing
• clone: To make an exact copy of a living thing
• intact: Being complete, without damaged or missing parts
• pigeon: Gray bird that is common in cities
• genome: Complete set of genetic material in an organism
• keystone: Central building block at the top of an arch
• biotech: Shortened form of biotechnology
• heath: Area of land that is poor for growing plants
• hen: Adult female chicken
• induce: To make someone do something; create an outcome
• bison: Large animal looking like a buffalo
• synthetic: Not natural; made from artificial materials
• captive: Person caught and held against their will
• falcon: Fast-flying hunting bird
• ivory: Hard cream-colored substance forming tusks
• molecular: About or caused by molecules
• abundant: Being in very great supply; plentiful
• obsess: To talk or think about someone, something too much