Vocabulary

• on earth: Used to emphasize a question expressing surprise or anger.
• have to: Must do
• in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
• such as: For example; like
• same time: Occurring simultaneously or at the same point in time.
• on the surface: Appearing to be true or real until examined more closely.
• for the most part: Generally; mostly; on the whole.
• look at: To use your eyes to focus on something
• go back to: To return to a starting point
• into space: Toward or entering the region beyond Earth's atmosphere.
• for example: As an illustration or instance.
• at that time: During a specific point in the past.
• evidence of: Facts, objects, or signs that make you believe that something is true.
• bring back: To cause to remember
• come from: To have as your native country or city
• at the same time: Simultaneously; at the identical moment.
• back into: To drive a vehicle backwards into a space or area.
• think about: To consider something carefully.
• all the things: Everything; all items or aspects
• kill off: To eliminate or destroy completely; to cause to die.
• wipe out: To destroy or be destroyed
• used to: Did regularly before, but don't do now
• block out: To cover so something cannot be seen or heard
• to death: Extremely; to a great degree
• of a sudden: Quickly and unexpectedly; suddenly.
• in time: Eventually; after a period of time.
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• take out: To apply for and get a license
• shut down: To close an operating system, e.g. on a computer
• at least: As a minimum
• out there: In or to a place that is far away
• see in: To accompany someone to the entrance of a building or room.
• come back: To reply to someone, often forcefully
• talking about: To discuss a particular topic.
• go out: To leave a building (e.g. a house)
• might well: Used to indicate a good possibility or likelihood.
• keystone species: A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
• answer for: Be responsible for and explain one's actions.
• bump into: To meet someone accidentally
• on the beach: Located on the sandy or pebbly area bordering a body of water.
• off of: From a position on something; down from.
• habitat loss: The destruction or fragmentation of habitats, leading to a reduction in the area where species can live.
• run across: To meet someone or find something by chance
• for life: For the duration of one's life; permanently.
• a couple hundred: Approximately two hundred.
• vast: Being very large in size or amount
• evidence: Factual proof that helps to establish the truth
• period: Set amount of time during which events take place
• crisis: Unstable situation of extreme danger or difficulty
• native: Someone from or born in a specific country
• impact: A striking effect or result to hit with force
• evolve: To develop certain features
• climate: Typical weather conditions in a particular place
• exist: To be present, alive or real
• gradually: Occurring in a slow manner over a period of time
• concern: To be about a particular topic
• blast: To attack someone with words
• immense: Very great in size or amount
• cause: Belief, goal or organization that people support
• prey: To hunt (other animals) in order to eat them
• population: Number of people who live in a country, area etc.
• evolution: Theory that living things change over time
• giant: Tall, large, and powerful human-like creatures
• shallow: Not deep; short from top to bottom
• planet: One of the bodies that orbit the sun
• survive: To continue to live despite illness or trouble
• breed: Kind of / sort of
• mass: Religious ceremony in some Christian churches
• rate: To assess something or consider its qualities
• lead: Wire for electricity, computer, etc.; cable
• persist: To continue a course of action despite opposition
• ecosystem: Types of plants and animals in an specific area
• record: Highest or most extreme level achieved
• extinction: When every example of animal, plant is dead
• extinct: (Of animal, etc.) having died out; with none left
• reign: To be present and felt or sensed by everyone there
• fossil: Plant or animal that became rock after many years
• compete: To try to beat others at something, e.g. a race
• wild: In a manner which lacks control
• brink: Near to happening; on the verge of
• invasive: Entering the body, etc. in a destructive way
• lot: What happens to a person in life from chance; fate
• century: Period of 100 years
• asteroid: Very small planets that move around the sun
• wipe: To clean or dry something with a cloth
• threaten: To cause something potential harm, or put at risk
• event: Any social gathering; occasion; planned activity
• great: Very good; better than before
• land: Region or country
• petroleum: Oil found in the ground used to make fuel
• world: All the humans, events, activities on the earth
• life: All the living things e.g. animals, plants, humans
• guru: An inspirational teacher or spiritual guide
• underway: Happening now
• time: Speed at which music is played; tempo
• cosmopolitan: Sophisticated and knowledgeable about many things
• live: To be alive
• fallout: Radioactive particles after a nuclear explosion
• dinosaur: Reptile that lived millions of years ago
• vertebrate: Having a backbone
• microbial: Concerning, involving or caused by being microbes
• bombardment: Act of dropping bombs on a place
• mammoth: Large extinct animal resembling a hairy elephant
• avian: Of or typical of birds
• woolly: Confused and vague; used especially of thinking
• dodo: Extinct heavy flightless bird related to pigeons