Date post: | 17-Dec-2015 |
Category: |
Documents |
Upload: | bonnie-harmon |
View: | 216 times |
Download: | 0 times |
How many people visited a beach this summer? How much of the earth’s surface is covered
with oceans?
75% of the earth is covered with waterAll the oceans are interconnectedDifferent marine ecosystems exist that
support different life formsDifferent freshwater ecosystems exist that
support plants and animalsWhat aim does this suggest?
OceansOver billions of years, minerals from rocks
leached into the water and were washed into the ocean
Ocean temperatures vary all around the world
Oceans near the equator are warm, like the tropical terrestrial biomes that are there
Oceans near the arctic are cold or freezing
How does the amount of light change as the ocean gets deeper?There is lots of light on the surface, but
rapidly gets less as you get deeperPhytoplankton are the major producers found
in the ocean. Why are phytoplankton found near the surface of the ocean.
Because they need sunlight for energy for photosynthesis
How will organisms that live below the zone of photosynthesis obtain nutrients.?Animals (fish, insects, etc) are all
heterotrophs/consumers and they eat plants that fall down or eat other animals found deep in the ocean
Marine biomes• Oceans
1. intertidal zone- shoreline, covered with water at high tide and uncovered at low tide
There are the animals that you sometimes find on the shore
Seaweed, snails, seagulls, crabs
Marine biomeLittoral zone- ocean surface, shallow waters
Filled with light, producers live here, like algae
Lots of nutrients available so many different heterotrophs live here
Worms, mollusks (clams, oysters) and fish
Marine biomeOpen ocean - medium deepAbyssal zone – deep oceanLimited photosynthesis and producers, so limited animals, only ones that have adapted to this environment (giant squid, octopus)
Live in darkness
Coral reefCorals are polyp-like animals, related to
jellyfish, that live in colonies and release a calcium carbonate skeleton around themselves
As corals grow, they leave behind the skeleton and it becomes the reef
Photosynthetic dinoflagellates live within corals.
How can you characterize the relationship of the corals and the dinoflagellates?
Symbiotic relationship