What is the best definition for adaptation? 10 points
Organisms are able to change their biological make up at any time they wish to
Animals are able to change from one organism into another given enough time
The biological mechanism that prevents organisms from adjusting to new
environments or to changes in their current environment
The biological mechanism by which organisms adjust to new environments or to
changes in their current environment

A17-year-old primigravida is admitted in early labor. her cervix is 2 to 3 cm dilated and 100% effaced. the fetus is cephalic, and the presenting part is at –1 station. her membranes are intact. the patient is holding her boyfriend's hand tightly and breathing rapidly with each contraction. she tells the nurse in a shaky voice, "i'm so nervous. i've never been in a hospital before. i don't know anything about labor or if i can do this." what is an appropriate nursing diagnosis for this patient?

Across of blue x blue (both heterozygous) would result in

What are levels of ecology and how can we remember them