History of Life on Earth

studied byStudied by 0 people
0.0(0)
learn
LearnA personalized and smart learning plan
exam
Practice TestTake a test on your terms and definitions
spaced repetition
Spaced RepetitionScientifically backed study method
heart puzzle
Matching GameHow quick can you match all your cards?
flashcards
FlashcardsStudy terms and definitions

1 / 11

encourage image

There's no tags or description

Looks like no one added any tags here yet for you.

12 Terms

1
Planetary Formation
Earth formed from planetesimal aggregation around 4.55 billion years ago.
New cards
2
Prebiotic Soup
The early oceans where organic molecules and macromolecules accumulated and formed spontaneously.
New cards
3
Reducing Atmosphere Hypothesis
Early Earth's atmosphere was rich in water vapor, supporting redox reactions for complex molecule formation.
New cards
4
Deep-Sea Vent Hypothesis
Molecules formed in temperature gradients at deep-sea vents, supported by evidence of ammonia formation.
New cards
5
Protobionts
Aggregates of molecules with boundaries, exhibiting characteristics like information storage and self-replication.
New cards
6
RNA World Hypothesis
The theory that RNA was likely the first genetic material, capable of self-replication and acting as an enzyme.
New cards
7
Chemical Selection
The process where molecules with advantageous properties increase in number within a population.
New cards
8
Stromatolites
Layered structures formed by cyanobacteria, significant for producing oxygen through photosynthesis.
New cards
9
Endosymbiotic Theory
Proposed that eukaryotic organelles originated from symbiotic prokaryotes that provided energy or nutrients.
New cards
10
Cambrian Explosion
A rapid increase in animal diversity during the Cambrian Period, leading to the emergence of the first vertebrates.
New cards
11
Mass Extinction
An event where a significant percentage of species are wiped out simultaneously due to environmental changes.
New cards
12
Cenozoic Era
The era following the age of dinosaurs, characterized by the dominance of mammals and flowering plants.
New cards

Explore top notes

note Note
studied byStudied by 31 people
776 days ago
5.0(2)
note Note
studied byStudied by 39 people
797 days ago
4.0(1)
note Note
studied byStudied by 23 people
775 days ago
5.0(1)
note Note
studied byStudied by 10 people
689 days ago
5.0(1)
note Note
studied byStudied by 202 people
572 days ago
5.0(2)
note Note
studied byStudied by 8 people
192 days ago
5.0(1)
note Note
studied byStudied by 9 people
359 days ago
5.0(1)
note Note
studied byStudied by 157 people
719 days ago
5.0(2)

Explore top flashcards

flashcards Flashcard (20)
studied byStudied by 49 people
569 days ago
5.0(1)
flashcards Flashcard (56)
studied byStudied by 2 people
623 days ago
4.0(1)
flashcards Flashcard (49)
studied byStudied by 89 people
117 days ago
5.0(2)
flashcards Flashcard (95)
studied byStudied by 36 people
492 days ago
5.0(1)
flashcards Flashcard (98)
studied byStudied by 2 people
736 days ago
5.0(1)
flashcards Flashcard (111)
studied byStudied by 365 people
540 days ago
5.0(4)
flashcards Flashcard (34)
studied byStudied by 17 people
847 days ago
4.0(1)
robot