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From photosynthesis. It's a waste product, but some of it are used in cellular respiration.
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Do organisms that live on land need water to survive?
yes they do
At least half of the world's species of land organisms live in a?
Rainforest.
What happened after plants first became able to live land?
Adaptive radiation spread them into many land niches
What are bacteria that cannot live without oxygen called?
Bacteria that must have oxygen to survive are called obligate aerobes. Some bacteria can live with or without oxygen and are called facultative anaerobes.Anaerobes = No oxygenAerobes = Oxygen
What is the name of an organism that requires oxygen?
Organisms which need oxygen are called aerobic organisms or aerobes. The oxygen is used in the process of respiration to release energy from food. Organisms which do not use oxygen in respiration are called anaerobic organisms or anaerobes. See: http://en.wikipedia.org/wiki/Aerobic_organism
What is the term given to organisms that live both in land and water?
Land organisms and liquid organisms
Where do multicellular organisms live?
Where there is free oxygen available.
Where the animals get the oxygen they need?
Land animals get the oxygen they need from the atmosphere. Most aquatic organisms get oxygen dissolved in the water in which they live, and others, like alligators and crocodiles, get oxygen from the atmosphere. Most Plants Give Out Oxygen, And Plants Are All Around Us.
What is the key ingredient that all organisms need?
All organisms need oxygen to live.
What are the plants and animals that live on land?
Terrestrial organisms
Do organisms that live on land need water to survive?
yes they do
What living thing does not need oxygen to live?
Anaerobic organisms do not require oxygen to survive. On earth, those organisms are limited to many types of bacteria and obligate anaerobes.
Amphibians are not completely free to live on dry land because 1. their ancestors were fishes. 2. they obtain oxygen from water through gills. 4. their food organisms live in water. 5. they can escape?
They obtain oxygen from water through gills (during at least part of their life cycle).
Do organisms in an aquatic environment need different things than organisms in land environments?
no all organisms need the same things like water food oxygen and a home
What two major problems do organisms that live on land face?
predators
At least half of the world's species of land organisms live in a?
Rainforest.
What oganisms use fermentation?
Obligate anaerobes this is an Organisms that must live in the absence of oxygen.
