For more options use Advanced Search.

OLP 4: The ocean makes Earth habitable

Table of Contents
OLP 4: The ocean makes Earth habitable
Representative Image

 

<p>Fig. 1. OLP 4. Tubeworms, anemones, and mussels colonize near a low-temperature hydrothermal vent. Early life forms on earth may have evolved near hydrothermal vents like this one 3.5 billion years ago.</p>

Fig. 1. OLP 4. Tubeworms, anemones, and mussels colonize near a low-temperature hydrothermal vent. Early life forms on earth may have evolved near hydrothermal vents like this one 3.5 billion years ago.

Image courtesy of National Oceanic and Atmospheric Administration (NOAA) Ocean Explorer

Life started in the ocean. The millions of different species of organisms on Earth today are related by descent from common ancestors that evolved in the ocean (Fig. 1). The accumulation of oxygen in Earth’s atmosphere through photosynthesis was necessary for life to develop and be sustained on land.

 

TEACHER GUIDE

Ocean Literacy Principle 4: Scope and Sequence


OLP 4.C

The ocean provided, and continues to provide, water, oxygen, and nutrients and moderates the climate needed for life to exist on Earth.

Useful Links

Learn more about OLP 4.

Related Conversations

[current-user:user_picture]Unregistered
Let other educators know how you conducted this activity of just rave about how your kids loved it.
Start

Conversation

Ask a question or share your thoughts with other educators. You can also attach handouts or other resources.

Please select your entry type:
Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawai?i, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.