Cladogram

Front

What is a cladogram?

Back

A cladogram is a diagram that shows the evolutionary relationships among different species based on shared characteristics.

Front

What do mammals have in common?

Back

Mammals are warm-blooded vertebrates that have hair or fur and produce milk to feed their young.

Front

What is the significance of the trilobite in the fossil record?

Back

The trilobite is one of the oldest known fossils, providing insight into early life forms on Earth.

Front

What trait is represented at point A in a cladogram?

Back

The trait at point A could be 'eyes', indicating a shared characteristic among the organisms.

Front

How does DNA comparison help in understanding evolutionary relationships?

Back

DNA comparison allows scientists to identify genetic similarities and differences, helping to determine how closely related different species are.

Front

What is the difference between vertebrates and invertebrates?

Back

Vertebrates have a backbone, while invertebrates do not.

Front

What are some examples of mammals?

Back

Examples of mammals include squirrels, lions, whales, and humans.

Front

What does it mean for a fossil to be 'older' than another?

Back

An older fossil is from a time period that predates the time period of the younger fossil.

Front

What is the role of technology in studying evolution?

Back

Technology, such as DNA analysis, helps scientists understand the relationships and characteristics of different organisms.

Front

What are some characteristics of the rock layer labeled 'A'?

Back

Rock layer 'A' is older than layer 'C', indicating it was formed earlier in geological history.