If an ecosystem contains 100 units of energy at the producer trophic level, then it will MOST likely contain about how many units of energy at
the secondary consumer level?

A. 100
B. 1
C. 1000
D. 10

What adaptation is apparent in the bodies of the three tortoise species shown in figure 16-2

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.

Every early childhood education program should develop a