You can train an animal to learn a new _____.
behavior
A _____ is a feature.
characteristic
White marks are a _____ of this snake.
characteristic
A _____ is an answer.
response
These students want to give a ______ to a question.
response
A _____ is a careful plan.
strategy
This girl has a _____ for winning the game.
strategy
_____ means living in spite of obstacles.
survival
_____ is difficult in very cold places.
survival
