Blood vessels are found in the
A. stratum corneum
B. dermis
C. stratum basale
D. subcutaneous layer
E. dermis and subcutaneous layer
Answer: E. dermis and subcutaneous layer
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Which of the following statements about acid precipitation is false?
a. It can decrease soil pH. b. It is implicated in forest decline. c. It drops sulfuric and nitric acids on the Earth. d. It is caused by human activities. e. It prevents the leaching of essential cations
In mammals, an egg fertilized by one sperm divides repeatedly (1-2-4-8-16-32-64, etc.). At the 64-cell stage, only three cells go on to become the embryo while 61 grow to become the fetal side of the placenta. In plants, fertilization likewise results in the development of an embryo and nourishing endosperm. However, how does this process differ from the mammal embryo and placenta?
What will be an ideal response?
When it comes to caffeine, all of the following are true except
Select one: a. those who are pregnant, have anxiety or panic attacks, or who have stomach ulcers should avoid or restrict consumption. b. the equivalent of 2 - 3 cups of coffee per day is considered to be a moderate and safe level of consumption. c. women suffer more deleterious effects of caffeine consumption than men. d. heavy consumption leads to depression, decreased heart rate, and decreased mental alertness.
The figure below reflects how these two cells would respond in a(n) ________ environment.
Fill in the blank(s) with the appropriate word(s).