In living things, traits are passed on from one generation to the next through the transfer of A) blood
B) minerals
C) calories
D) DNA

2. In which organelle are chromosomes found?
A) nucleus
B) vacuole
C) cell wall
D) chloroplast

3. Cancer is best described as
a) a nutrient needed for survival
b) an illness that develops as a result of lack of exercise
c) abnormal cell division
d) a type of heart disease

4. In unicellular organisms, cell division is responsible for
a) sexual reproduction
b) asexual reproduction
c) production of sex cells
d) growth and repair

5. What percentage of the organism’s genetic information is the same as the genetic information of the parent?
a) 25%
b) 50%
c) 75%
d) 100%

6. A plant produces tiny plants around the edges of its leaves. When these tiny plants fall to the ground, they take root and become new plants. This process is an example of
A) sexual reproduction
B) asexual reproduction
C) evolution
D) extinction

8. Which pair of terms describes the usual location for fertilization and the first stages of development in human reproduction?
A) external fertilization and external development
B) external fertilization and internal development
C) internal fertilization and external development
D) internal fertilization and internal development

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