Which event illustrates evaporative cooling?
a. a tea kettle whistling
b. sweat evaporating from the skin
c. ice cubes floating in a glass of water
d. a fish not freezing in a pond covered with ice
e. salt dissolving in a pot of water full of potatoes
b
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Which phase(s) of the Calvin cycle require ATP?
a. phase I only b. phase II only c. phase III only d. phases I and II only e. phases II and III only
Two snakes that have similar bright color patterns are exhibit aposematic coloration
Indicate whether the statement is true or false.
Some internally fertilized eggs develop and hatch outside the mother's body. What is this developmental strategy called?
A. oviparity B. placental development C. marsupial development D. vivipary
Cells are activated by the binding of their antigen and interaction with _____ cells.
A. helper T cells B. cytotoxic T cells C. macrophages D. natural killer cells