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

Biology & Microbiology

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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

Biology & Microbiology

Two snakes that have similar bright color patterns are exhibit aposematic coloration

Indicate whether the statement is true or false.

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology