Short Adj
The monarch butterfly undergoes one of ________ (long) migrations of any insect species.
The monarch butterfly undergoes one of the longest migrations of any insect species.
Renewable energy sources are becoming __________ (popular) traditional fossil fuels.
Renewable energy sources are becoming more popular than traditional fossil fuels.
The cheetah runs _____ (fast) any other land animal.
The cheetah runs faster than any other land animal.
The blue whale swims _________ (gracefully) of all marine creatures.
The blue whale swims the most gracefully of all marine creatures.
Recycling paper is generally ______ (good) for the environment ____ throwing it away.
Recycling paper is generally better for the environment than throwing it away.
The cheetah is _________ (fast) land animal, capable of running faster than any other mammal.
The cheetah is the fastest land animal, capable of running faster than any other mammal.
Organic farming practices are often considered __________ (sustainable) conventional agriculture.
Organic farming practices are often considered more sustainable than conventional agriculture.
Eagles soar ________ (high) most birds of prey.
Eagles soar higher than most birds of prey.
Wolves hunt _________ (efficiently) in packs _____ alone.
Wolves hunt more efficiently in packs than alone.
Plastic pollution is _________ (bad) ever before in our oceans.
Plastic pollution is worse than ever before in our oceans.
The blue whale is_______ (large) animal ever known to have existed on Earth.
The blue whale is the largest animal ever known to have existed on Earth.
Conservation efforts in this national park are among ___________ (successful) in the country.
Conservation efforts in this national park are among the most successful in the country.
The bald eagle nests ______ (high) in the tallest trees in its habitat.
The bald eagle nests highest in the tallest trees in its habitat.
Dolphins communicate ________ (intricately) many other marine mammals.
Dolphins communicate more intricately than many other marine mammals.
Renewable energy sources are ________ (good) solution for mitigating climate change.
Renewable energy sources are the best solution for mitigating climate change.
The recovery possibility of this species is _______ (low) that of others in the same habitat.
The recovery possibility of this species is lower than that of others in the same habitat.
Tigers are __________ (endangered) lions due to habitat loss and poaching.
Tigers are more endangered than lions due to habitat loss and poaching.
Rainforests grow _________ (fast) in regions with consistent rainfall.
Rainforests grow fastest in regions with consistent rainfall.
The coral reef ecosystem thrives _______ (vibrantly) in nutrient-rich waters.
The coral reef ecosystem thrives most vibrantly in nutrient-rich waters.
Conservation efforts in this region have led to ________ (little) deforestation compared to neighboring areas.
Conservation efforts in this region have led to the least deforestation compared to neighboring areas.
Plastic pollution in our oceans is a ________ (big) problem ____ previously thought.
Plastic pollution in our oceans is a bigger problem than previously thought.
The giant panda is _________ (specialized) in its diet ______ most other bear species.
The giant panda is more specialized in its diet than most other bear species.
Pollution spreads ______ (wide) through industrial areas.
Pollution spreads widest through industrial areas.
The elephant communicates _________(effectively) through infrasound over long distances.
The elephant communicates most effectively through infrasound over long distances.
Marine protected areas have experienced ______ (little) coral bleaching ___ unprotected reefs.
Marine protected areas have experienced less coral bleaching than unprotected reefs.