Darby has a very high-energy dog named Lily. Lily's parents were both very energetic dogs. Darby trains Lily to chase a tennis ball when she throws it and to bring it back. Lily can play fetch for hours and is always ready for a game. How has Lily's behavior been influenced by her heredity?
A. Lily inherited her high energy level from her parents.
B. Lily inherited her identification of the tennis ball from her parents.
C. Lily inherited her relationship with Darby from her parents.
D. Lily inherited her knowledge of fetch from her parents.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !