1.   What is the "bank robber" trick described in the program?

Some organisms discharge a sticky, bioluminescent substance that makes predators more visible

2.  What was the oxygen revolution?

The period in Earth's natural history when oxygen built up in Earth's atmosphere because of an increase in photosynthetic organisms.

3.  What did this event lead to in the development of life on Earth?

Animals capable of taking up oxygen began to develop.

4.  About how many animal phyla are there?

about 35

5.  What is the well known Precambrian rock formation in southern Canada?

Burgess shale

6.  What are four examples of marine organism groups that have been present on Earth from very early times in life history?

sponges, molluscs, arthropods, and cnideria (jellyfish)

7.  What distinguishes vertebrate from invertebrate animals on Earth?

a spinal column

8.  What does a back bone allow for in organisms?

It allows organisms to stand up.

9.  What are examples of stresses organisms face in the intertidal zones?

Wave activity, dessication, greater extremes of hot and cold temperatures

10.  What are examples of intertidal zone organisms?

mussels, barnacles, sea anenome