Fall ACP Review 24-25 (Part 3 of 3)

Front

What is gradualism?

Back

Gradualism is defined as slow changes over time.

Front

When is the operon on in the presence of lactose?

Back

The operon is on because lactose is present so lactase needs to be made.

Front

Where are most fossils found?

Back

Most fossils are found in sedimentary rocks.

Front

What are ostrich wings an example of?

Back

Ostrich wings are examples of vestigial structures.

Front

What percentage of female offspring will be carriers for a recessive disease if one parent is a carrier and the other is affected?

Back

50%.

Front

Define homologous structures.

Back

Homologous structures are anatomical features in different species that share a common ancestry.

Front

What are adaptations in biology?

Back

Adaptations are traits that enhance an organism's ability to survive and reproduce in its environment.

Front

What is a vestigial structure?

Back

A vestigial structure is a body part that has lost its original function through evolution.

Front

What is the significance of sedimentary rocks in paleontology?

Back

Sedimentary rocks are significant because they often contain fossils, providing evidence of past life.

Front

Explain the concept of natural selection.

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.