Evolution Unit Exam

Front

What are the key traits of conifers?

Back

Conifers have vascular tissue and seeds.

Front

What is another term for Natural Selection?

Back

Survival of the fittest.

Front

What discovery would challenge the validity of a cladogram?

Back

A fossil of a fern more than 425 million years old.

Front

Which organisms are most likely to survive in an environment?

Back

The best adapted (best fit) organisms.

Front

What trait should go where A is on the cladogram?

Back

Eyes.

Front

What is the definition of evolution?

Back

Evolution is the change in the heritable characteristics of biological populations over successive generations.

Front

What is a cladogram?

Back

A cladogram is a diagram that shows the evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics.

Front

What is the role of mutations in evolution?

Back

Mutations introduce new genetic variations, which can lead to new traits that may be beneficial for survival.

Front

What is adaptation in the context of evolution?

Back

Adaptation is a process where organisms become better suited to their environment through changes in traits.

Front

What is the significance of fossil records in understanding evolution?

Back

Fossil records provide evidence of past life forms and their changes over time, helping to trace the evolutionary history.