Marva is given two equal balls of clay. She rolls out one of the balls of clay into a long snake. Marva recognizes the long snake of clay still contains the same amount of clay as the ball of clay because she has acquired the skill of
a. conservation of mass.
b. conservation of number.
c. conservation of liquid.
d. conservation of length.
Question 2
The recognition that even when the physical appearance of something changes, its underlying quantity remains the same.
a. egocentrism
b. accommodation
c. equilibration
d. conservation
Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually
Long-tailed Widowbird
Cut view of long bone.
Rapid, long-distance signaling in plants
These findings are from Colby and Kohlberg's long-term longitudinal study
Demographic transition model for changes in population growth rates and sizes, correlated with long-