TOEFL - Life Science - Animals
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52 Terms
Archaeopteryx
An extinct, ancient bird-like creature with both avian and reptilian features; name means "ancient wing".
Fossilized
Turned into a fossil through the process of mineral replacement over time.
Quarry
A place where stone or other materials are extracted from the earth.
Paleontologist
A scientist who studies fossils and ancient forms of life.
Stroke of luck
An unexpected and fortunate event.
Fragile
Easily broken or damaged.
Fossil record
The collection of all known fossils and their placement in rock formations and layers.
Exquisite
Extremely beautiful and delicate; showing exceptional detail.
Fine-grained
Describes rock composed of small, fine particles.
Impressions
Marks or shapes made on a surface by pressure, such as feather patterns in fossils.
Ornithologist
A scientist who studies birds.
Bias
A personal tendency or opinion that may prevent impartial judgment.
Ancestor
An earlier species from which later species evolved.
Reptile
A cold-blooded vertebrate such as a snake or lizard, often with scaly skin.
Stubby
Short and thick or blunt.
Claws
Curved, pointed nails found on the feet or hands of some animals.
Wing fingers
Finger bones in the wings of birds or bird-like creatures, sometimes visible in fossils.
Classified (as)
Assigned to a specific group or category.
Evolutionary relationships
Connections between organisms based on how they have evolved from common ancestors.
Link
A connecting element; something that joins or relates things.
Developing the ability to fly
An important stage in the evolution of birds from ground-dwelling species.
Conclusive evidence
Definitive proof that supports one side of an argument.
Insulation
Material or features that keep something warm, like feathers trapping body heat.
Display (in animals)
The use of physical features like feathers to attract a mate or intimidate rivals.
Compelling
Convincing; arousing interest or attention.