*Question*
Q: What is the name of the outer layer of skin? Choices: - endodermis - hypodermis - the dermis - the epidermis A:
**Answer**
the epidermis

*Question*
Q: What is the ability of a material to return to its original shape after being stretched or compressed? Choices: - acidity - viscosity - solubility - elasticity A:
**Answer**
elasticity

*Question*
Q: Energy from sunlight is absorbed by what pigment in the thylakoid membrane of chloroplasts? Choices: - tannin - keratin - melatonin - chlorophyll A:
**Answer**
chlorophyll

*Question*
Q: What does the respiratory system exchange between the body and the outside air? Choices: - fluids - blood - nutrients - gases A:
**Answer**
gases