In humans, the allele for red hair, b, is recessive to the allele for brown hair, b. a man and his wife both have brown hair. they have five children, three of whom have red hair, while two have brown hair. explain how this may happen, using a genetic diagram to explain your answer.

What adaptation is apparent in the bodies of the three tortoise species shown in figure 16-2

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

Graphs you see question 5 options: the change in data over time the relationship between different dependent variables the relationship between the independent variable and the dependent variable/s the relationship between different independent variables