Q: Answer the following question given this paragraph: The genetic code is the same in all living things. This shows that all organisms are related by descent from a common ancestor. Q: What code is the same in all living things and shows that all organisms are related by descent from a common ancestor? Choices: - descendant - biochemical - intrinsic - genetic A:
A: genetic

Q: Answer the following question given this paragraph: Another major problem caused by air pollution is global climate change. Gases such as carbon dioxide from the burning of fossil fuels increase the natural greenhouse effect. This raises the temperature of Earth's surface. Q: What gas is contributing to the greenhouse effect? Choices: - nitrogen - oxygen - sodium chloride - carbon dioxide A:
A: carbon dioxide

Q: Answer the following question given this paragraph: Q: What is the space around the magnet called? Choices: - gravitational field - resistance field - optical field - magnetic field A:
A: magnetic field

Q: Answer the following question given this paragraph: Epithelial tissue from epithelium. Below this is dermis, thicker and with blood vessels. Two specialized epithelia: pseudostratified transitional Pseudostratified epithelia lines the trachea (where it is ciliated)and the male urethra (where it is non ciliated), looks stratified but not. Transitional epithelia found only in bladder and urinary system. As it stretches it appears to go from 6 to 3 cell layers deep. Glandular epithelia (gland: group of cells that excretes something. mostly derived from epithelium. Glands are classified into endocrine and exocrine by where they excrete. Endocrine glands secrete hormones into the blood without use of ducts. Exocrine glands secrete onto the body surface or into a cavity, thru a duct. Exocrine substances include sweat, mucous, oil, and saliva. An exocrine gland is the liver, which secretes bile. Q: Is sweat an exocrine or endocrine substance? Choices: - neither - both - exocrine - exocrine A:
A: exocrine