definition
Protective coloration used by some animals in which parts normally in shadow are light and those exposed to the sky are dark
sentence
Because countershading is thought to aid in concealment by reducing shadow in well-lit environments, the hypothesis is partially supported despite no significant associations with other open environments.
The countershading of their body is a protective camouflage.
The countershading of their body is a protective camouflage.
difficulty
hard
toefl frequency
1
toefl classification