Chapter 6 test over the history of life on earth. Sections 6. 1, 6. 2, 6. 3 out of 7th grade Life Science textbook.
Seaweeds
Jellyfish
Bacteria
Insects
Insects
Simple plants and fungi
Amphibians and reptiles
Trees
On land
In freshwater lakes
In the ocean
In the air
Studying where it is found
Measuring its radioactivity
Measuring its size and shape
Identifying the kind of rock in which it is found
Variations
Mass extinctions
Period conclusions
Isolations
Variation
Adaptation
Evolution
Speciation
A speciation
A unicellular organism
An adaptation
A vestigial organ
Isolation
Observation
Vestigial organs
Artificial selection
Genes
Variations
Isolation
Overproduction
Similarities in development
Vestigial organs
Adaptations
Fossils