Answer:
A lot of birds sing or dance to attract their mates or show off their beautiful colors. Fireflies flash their lights to attract females.
Explanation:
See answer above.
If you can please make my answer the brainliest that would be much appreciated. Thanks!
The first one because just think about how light oxygen or air is
Plasma, water, salt, protein, platelets
Answer:
the study of heredity and the variation of inherited characteristics.