The origin of life and evolution
Presentation
•
Biology
•
4th Grade
•
Hard
Rocío Romero
Used 2+ times
FREE Resource
7 Slides • 0 Questions
1
The origin of life and evolution
Life appeared on Earth 3.8 billion years ago and since then has diversified, populating the planet in a wide variety of ways. Some two million different species have been described, named and classified to aid study.
2
The origin of life and biodiversity
Humans have proposed various theories to explain when and how life began. The most common are creationism, spontaneous generation, biogenesis, panspermia and abiotic synthesis.
3
Chemical evolution
It refers to the processes that created the molecules that make up living things.
4
Biological evolution
It refers to the processes that led protocells to became different types of cells.
5
Theories about the origin of biodiversity
1.- Fixist theories
2.- Evolutionary theories
6
Fixist theories
7
Evolutionary theories
The origin of life and evolution
Life appeared on Earth 3.8 billion years ago and since then has diversified, populating the planet in a wide variety of ways. Some two million different species have been described, named and classified to aid study.
Show answer
Auto Play
Slide 1 / 7
SLIDE
