Evolution Common Ancestor

the change in the characteristics of a species over several generations.  It relies on the process of natural selection.

• evolution

• common ancestor

• comparative embryology

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

When very different animals have bones that appear very similar in form or function and seem to be related.  It is used to try to prove there are common ancestors.

• analogous structures

• homologous structures

• vestigial structures

Tags

NGSS.MS-LS4-2

Structures that have no apparent function and appear to be residual parts from a past ancestor

• analogous structures

• homologous structures

• vestigial structures

• analogous structures

• homologous structures

• vestigial structures

Tags

NGSS.MS-LS4-2

The theory that all life shares a common ancestor.

• Evolution

• Life

• After life

• Kingdom

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Organisms with a ​ (a)   ancestor will have similar stages in embryo development.

• common

• different

• shared

• opposite

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

an ancient organisms or species that two or more modern species share a relationship with and have evolved from

• Fossil Record

• Biological Evolution

• Cladogram

• Common Ancestor

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

What is common ancestry?

• When a species no longer exists

• When organisms are descended from a single ancestor

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Which of the following describes the idea that all living creatures evolved from one original single-celled organism?

• Evolution

• Natural Selection

• Common Ancestry

• Adaptation

• Survival of the fittest

Tags

NGSS.MS-LS4-2

When organisms are related...

• They have 100% identical DNA

• They share a common ancestor

• They live in the same environment

• They have the same coloration

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4