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In what Era did the first land dwelling organisms appear?
the paleozoic era
Which kingdom did organisms evolve first?
Prokaryote organisms, such as blue algae, are believed to be the first organisms to have evolved through photosynthesis about 3 and a half billion years ago.
Why is it necessary for organisms to evolve?
If they do not evolve, they may eventually die out.
How Groups of organisms change over time?
evolve
What events occured that allowed single celled organisms to evolve into more complex organisms at the end of the precambrian time?
the ozone layer began to develop shielding earth from ultraviolet rays, this was hypothesized that these changes allowed species of single celled organisms to evolve into more complexed organisms
In what era did jellyfish evolve?
Jellyfish and other multi-cellullar organisms evolved during the Cambrian era.
In what Era did the first land dwelling organisms appear?
the paleozoic era
Which kingdom did organisms evolve first?
Prokaryote organisms, such as blue algae, are believed to be the first organisms to have evolved through photosynthesis about 3 and a half billion years ago.
When did winged organisms evolve?
The first winged organisms were insects which evolved wings about 350 million years ago.
When did the biosphere begin to evolve?
The biosphere is defined as the living organisms on earth. As such, it began to evolve when the first organisms appeared. Currently, this is believed to have happened about 3.5 billion years ago.
Did unicellular or multicellular organisms evolve first?
Unicellular organisms evolved first; and from them evolved the multicellular organisms. But that leads onto another question as to why multicellular organisms evolved.
When oxygen- breathing organisms first thrived?
The Paleozoic era was the era when oxygen-breathing organisms first thrived.
How long did it take for unicellular organisms to evolve to multicellular?
Answer is not exactly known, as origin of first unicellular organisms is unknown. First multicellular organisms appeared in late Precambrian. Look up Burgess Shale for details.
Do organisms decide to evolve?
No
How many organism's might evolve?
all of the organisms can evolve.
Why is it necessary for organisms to evolve?
If they do not evolve, they may eventually die out.
During what era did humans evolve from?
Cenozoic era
