Vocabulary
When a species stops existing
Extinction
---------- are dangerous because they harm animals that live in the sea
Oil Spill
If she _______ (wake) up earlier, she _______ (catch) the bus.
had woken / would have caught
This verb means “to move from one place to another.”
Go, went, gone
Invisible energy that is harmful to living beings
Radiation
Rabbits were an _________ for Australia and they caused harm to many native plants.
Introduced Species
If they _______ (not / forget) their homework, they _______ (get) a better grade.
hadn’t forgotten / would have gotten
This verb means “to look at something.”
See, saw, seen
The levels of salt in dirt
Soil Salinity
The ________ of our city is growing every year.
Population
If I _______ (know) about the party, I _______ (come).
had known / would have come
This verb means “to take hold of something.”
Take, took, taken
Doing something before something bad happens
Prevent
The introduction of non-native species can pose a major __________ to native plants and animals by disrupting the balance of the ecosystem.
Threat
If we _______ (not / miss) the train, we _______ (arrive) on time for the meeting.
hadn’t missed / would have arrived
This verb means “to write words.”
Write, wrote, written
To expect something
Anticipate
The careless disposal of __________ not only pollutes urban and natural environments but also endangers wildlife by contaminating their habitats and food sources.
Litter
If the company _______ (invest) in renewable energy five years ago, it _______ (reduce) its carbon footprint significantly by now.
had invested / would have reduced
This verb means “to control or drive a vehicle.”
Drive, drove, driven