Which of these is an example of a chemical change? a. dissolving salt in water b. breaking a tree branch c. burning a piece of wood d. melting water

Use the following terms in the same sentence:gene and allele

Which gland is responsible for the "fight or flight" response? a. pituitary b. adrenal medulla c. adrenal cortex d. thyroid e. testes

Feather color in budgies is determined by two different genes Y and B. YYBB, YyBB, or YYBb is green; yyBB or yyBb is blue; YYbb or Yybb is yellow; and yybb is white. Two blue budgies were crossed.

Lily plants have 24 chromosomes. if a lily leaf cell undergoes mitosis, how many chromosomes will each daughter (new) cell have?

3. Mammals and birds are able to maintain relatively constant body temperatures. In cold weather, their internal temperatures could be many degrees warmer than the air temperature around them.

Describe the process of creating an animal clone.

Why sugar dissolves easily in water but sand do not?

Independent variable (What is the variable that you deliberately change?)

Question from Campbell Biology Chapter 23: 48) If global warming permits mosquitoes to live at higher altitudes than they currently do, then in which direction should the entire plot in the correct distribution below be shifted?

What do humans and amoebas have in common