When the egg hatches, the penguin parents see their __________ for the first time.
Which of the following definitions goes with "father and mother"?
According to the passage from the book on page 41, what does female penguins do soon after she lay an egg
According to the passage from the book on page 41, what will happen if the egg falls onto the ice?
Each tiger has a special pattern of black and orange marks on its
Animals can also feel __________ since they have strong relationships.