The Process of Natural Selection
Diversification of Life
Word Unscramble
Evidence for Natural Selection
Aboriginal Evidence
100

For natural selection to occur, there needs to be v_______ within the population

Variation

100

The first life is estimated to have evolved 3.7-3.9 b_______ years ago

Billion

100

Unscramble: ARDIWN

Darwin

100

F______ are any preserved remain, impression, or trace of an ancient living thing and provide evidence for natural selection

Fossils

100

Common places that Aboriginal people made artworks and paintings

On rocks/In caves

200

What do you call environmental factors that affect which organisms survive and reproduce (HINT: s________ p_________)

Selection Pressures

200

The process of species changing over time is called e_________

Evolution

200

UNSCRAMBLE: IVESRDYTI

Diversity

200

C_________ a________ is the study of similarities and differences in the body structures of different species

Comparative Anatomy

200
Giant animals that are mostly extinct today are called ________

Megafauna

300
Which one is not a cause of variation?

- mutation

- meiosis

- adaptations

Adaptations

300

The T_____ of L_______ shows the full evolutionary relationships between all life on Earth

Tree of Life

300

UNSCRAMBLE: PRONRETIODUC

Reproduction

300
The genetic code that all living things share

DNA

300

The name of a specific megafauna that looks like a giant kangaroo. (HINT: d__________)

Diprotodon

400

What do you call a change in an organism that helps it survive better in its environment.

Adaptation

400

What do you call a branching diagram that visually maps the evolutionary history and relationships among different species or groups of organisms (HINT - WE MADE ONE)

Phylogenetic Tree

400

Unscramble ELSETCNOI RSSEPURES

Selection Pressures

400

the study of the distribution of species and ecosystems across space and time is called...

Biogeography

400

It is estimated that Aboriginal people coexisted with megafauna for roughly how many years (If you get it within 5000 years it will count)

30 000

500

___________ is the fight to obtain limited resources within an ecosystem

Competition

500

The first life forms were...

Single Cells

500

UNSCRAMBLE: URSIVALV FO HET TIFTSTE

Survival of the Fittest

500

Structures that appear similar but have different function are called...

Homologous Structures

500

Give 2 reasons why megafauna have gone extinct

human hunting

abrupt climate change

not enough food