EARTH LIFE SCIENCE

Life Science

A collection of disciplines that is made up of theories and principles that tackles the structure and function of living things starting from the molecular level up to entire ecosystem.

Life science

Study of living organisms and life processes

Homeostasis

any self regulating process by which an organism tends to maintain stability while adjusting to conditions that are best for its survival

4.5 Billion years ago

Formation of Solar System (Nebular Theory)

• Sun

• Planets

• Moon

3.8 Billion years ago

• Formation of liquid water

3.7 billion years ago

• Life appeared on Earth

3.3 Billion years ago

Emergence of very first continent (Craton)

Emergence of first supercontinent

2.4 Billion years ago

Cyanobacteria evolved

2.4 Billion years ago

First Ice Age

1.1 Billion years ago

Formation of Rodinia and Pannotia

Between 540-480 Million years ago

Cambrian explosion

440 Million years ago

First Mass Extinction

420-350 Million years ago

First trees and animals on land

250 Million years ago

Formation of Pangea

Greatest Mass Extinction

240-230 Million years ago

Emergence of dinosaurs

Breaking of Pangea forming continents

66 Million years ago

Asteroid slammed the Earth

Mammals became more common

6 Million years ago

Emergence of early humans

BIOLOGICAL SYSTEM

Living things work as a SYSTEM, at the same time they cannot be separated from non-living things since they are both operating as a system.

System

organized group of interacting parts

Body System

includes organs that interact

Ecosystem

includes living things and non-living things that interact

CELL

are the basic unit of life

All living things are composed of _______

CELLS

INTERACTION WITH THE ENVIRONMENT

Living this cannot live alone, their survival depends on how they interact with their environment.

ENERGY AND LIFE

Living things use a source of energy for their metabolic activities

FORM AND FUNCTION

Organisms’ structure fit with their function

REPRODUCTION AND INHERITANCE

Traits of parents are being passed from one generation to a new generation

REGULATION

Pancreas regulates blood sugar level

Skeletal muscles contract and release heat

ADAPTATION

Living organisms survive depending on how one will adapt to its changing environment

EVOLUTION

It is the change in living things overtime.

It accounts for both the diversity and unity of life

BIOLOGY AND SOCIETY

The field of Science is changing the lives of all organisms through research