The phenotype is the type of trait that can be physically observed in an individual. Examples include hair colour, eye colour or height.
Answer: it is working out by doing exercises that quickly accelerate your heart rate
Explanation:
A good example is running on a treadmill or jump and jacks
Answer:
Adaptation
Explanation:
Some beaks made it easier for the type of food that bird was trying to get, for example the sharper the beak the better it could possible break a nut
Cells, metabolism, reproduction, homeostasis, heredity, etc.
