The process of producing individuals with identical DNA

This scientist proposed the idea of natural selection.

Structures that have similar external form and function, but different internal structure.

The slow gradual change in a species over time

Any preserved remains, impression, or trace of any once-living thing from a past geological age

Biotechnology that separates DNA fragments by size using an electrical charge

Scientist who proposed the principles of inheritance of acquired characteristics and use and disuse.

Structures that have similar internal structure, but different form and function.

A change that makes an organism more suited to its environment.

Humans, cat, whales, and bats all have similar bone structures. This indicates that they share a....

This technique can determine the paternity of a child.

Which theory does "survival of the fittest" refer to?

Structures that are remnants of structures that were functional in ancestral forms, but are now reduced in size and serve little or no purpose.

The fittest organism will survive and reproduce.

The skeleton of a whale reveals the presence of a pelvic bone that is not connected to the spine.

This is an organism whose DNA has been manipulated to improve medicine or agriculture

This principle states, characteristics that you acquire during your lifetime are passed on to offspring.

Comparing embryos at different stages of development.

This will happen to species that do not adapt to their environment

Scientists can use the proteins and ___ of organisms, rather than structures, to study evolution.

When a piece of DNA from another organism is being added to the plasmid of a bacterium.

This principle claims that the more an organism uses a part of its body, the larger and more developed that part will become.

Different species that have these structures do not share a common ancestor

Random changes in DNA sequence.

Structural and ___ types of evidence are used to show that evolution happens.