Chapter 6 cross word
This printable crossword puzzle has 16 clues. Answers range from 4 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
Made of all fossils discovered on earth
The impression of an organism in a rock
A fossil copy of an organism in a rock
The preserved evidence of an activity of an organism
A chart that divides earths history into different time units
What occurs when the last when the last organism in an Individual species dies
The changes over time in populations related organism
A person who studies plants and animals by observing them
A slight difference in an inherited trait of an individual species
The process by which populations of organism with variations help them survive in the environment live longer compete better and reproduce more
An inherited trait that increases an organisms chance of surviving and reproducing
An adaptation that enables a species blend in the environment
The resemblance of one species to another species
The breeding of animals for certain characteristics
The science of the development of embryos form fertilization to birth
The body parts of organisms that are similar in structures and position in different structures
