Cladogram and Dichotomous

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 a dichotomous key?

Back

A dichotomous key is a tool that allows the identification of organisms by answering a series of questions that lead the user to the correct name of a given item.

Front

What characteristic do all animals to the right of the hagfish have in a cladogram?

Back

Jaws.

Front

What distinguishes arachnids from insects?

Back

The presence of antennae.

Front

What is the main purpose of a dichotomous key in science?

Back

To classify organisms.

Front

What characteristic distinguishes amphibians from birds and reptiles?

Back

Amniotic egg.

Front

What are the main groups of vertebrates?

Back

Fish, amphibians, reptiles, birds, and mammals.

Front

What is the significance of jointed legs in arthropods?

Back

Jointed legs allow for greater mobility and flexibility, which is essential for movement and survival.

Front

How do cladograms represent evolutionary relationships?

Back

Cladograms use branching diagrams to show how species diverged from common ancestors over time.

Front

What is a common characteristic of mammals?

Back

Mammals are characterized by the presence of hair or fur and mammary glands that produce milk.