What appears to trigger the production of higher levels of estrogen associated with the initiation of puberty in girls?
a. a certain body weight
b. a particular amount of body fat
c. fat cells secreting a protein that signals the brain
d. All of these work to trigger estrogen production.
Question 2
What does the phrase A not B error mean?
a. Children will not search for hidden objects unless given an incentive.
b. Children will randomly search for hidden objects, but will quickly become frustrated and give up.
c. A child may reach for a hidden object where it has always been, yet still reach there even when they see the toy hidden somewhere else.
d. A child will search for a hidden toy but will quickly become distracted by other, more interesting objects.
Synapomorphies at different levels
A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet
Levels of Anxiety
Osmosis: Water moves from an area of low solute concentration to an area of higher solute ...
If the gauge reading is now much higher than the first test results, then the cause of the low ...
Production efficiency vs. trophic efficiency