An oak tree provides food for many animals. The oak tree is found at which level of the energy pyramid? A) 2
B) 4
C) 1
D) 3

Drag each label to the correct location on the image. g organisms adopt different strategies and structures to make sure their offspring it uses. herds young into center of group produces many offspring at once to protect against high predation risk protects offspring until environmental conditions are ideal for growth coo b 13 1994 7 odos si . an . i

Environmental differences within ecosystems are generally caused by

Hybrid instruments that play sounds that are part sampled and part synthesized are known as: