the beak is what keeps most birds alive
It has 4 valence electrons :)
Answer:
D. the trait is following the heredity pattern of polygenic inheritance.
Explanation:
In a particular species brown fur is dominant over white fur. However, an individual in the species could have tan fur because the trait is following the heredity pattern of polygenic inheritance.
Closed Circulatory system in which the blood is confined to
vessels and is kept separate from the intestinal fluid. Closed
systems are more efficient at transporting circulatory fluids to tissues and
cells. chemical exchanges occurs
between blood and intestinal fluid, as well as between intestinal fluid and
body cells.
1)make an observation 2) ask a question 3) form a hypothesis
