A normal, full-term pregnancy can range from
37-42 weeks. It's divided into three
trimesters. Each trimester lasts between 12
and 14 weeks, or about three months.
Specific changes occur to the fetus during
each of these trimesters.
Which of the following events occurs during
the 3rd Trimester?

A. Fingers and toes form.
B. The lungs fully develop.
C. A heartbeat can be heard with a stethoscope.
D. The cardiovascular system develops.

The lake of the ozarks is a human-made lake, so it collects runoff from coal strip-mining, fertilizers, resort wastewaters, and septic drainages. the average lake temperature is between 10∘c and 21∘c. consider the physical requirements for growth and multiplication that would allow fecal coliforms to “blossom” in the lake of the ozarks. which of the following would accurately describe these organisms? check all that apply. psychrophiles facultative halophiles extremophiles mesophiles hyperthermophiles