Download youngest - Houston ISD

1. What evidence do we have that evolution occurs?
2. Explain what a fossil is.
3. In which sequence are the rock layers listed in order from
oldest to youngest?
Coral Snake
1. In which sequence are the rock layers listed in order
from oldest to youngest?
C,B,A and
F,E,D
2. When one species becomes two species
it is called_____________.
Speciation
3. When organisms resemble other plants or
animals in order to blend in it is
called_____________.
Mimicry
2. Which layer would least likely
contain a fossil? ______
3. The letters below represent fossils. Which
is the oldest fossil? ___