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What are 3 observations that are signs of a change?
Sudden increase or decrease in temperature Change in color or appearance of an object Shift in behavior or activity of living organisms
What is the sudden appearance of life in the fossil record called?
The sudden appearance of complex life forms in the fossil record is called the Cambrian Explosion. It refers to a relatively short period in Earth's history, around 540 million years ago, when there was a rapid diversification and emergence of diverse animal species. The Cambrian Explosion marks a significant milestone in the evolution of complex life on our planet.
What is a sudden change in an organism called?
An unexpected change in an organisms trait is a mutation.
What event marked the end of the Precambrian Era?
The Precambrian Era ended with the beginning of the Cambrian Period, approximately 541 million years ago. This period is characterized by the sudden appearance of a diverse range of complex life forms in the fossil record, known as the "Cambrian explosion".
What is the first part of the Paleozoic era?
The first part of the Paleozoic era is the Cambrian period, lasting from approximately 541 to 485 million years ago. It is known for the sudden appearance of diverse marine life forms in the fossil record, marking the beginning of the explosion of life known as the Cambrian explosion.
What are 3 observations that are signs of a change?
Sudden increase or decrease in temperature Change in color or appearance of an object Shift in behavior or activity of living organisms
How could you use appearance in a sentence?
Her appearance was horrible.The sudden appearance of the monster startled me.
What is the sudden appearance of life in the fossil record called?
The sudden appearance of complex life forms in the fossil record is called the Cambrian Explosion. It refers to a relatively short period in Earth's history, around 540 million years ago, when there was a rapid diversification and emergence of diverse animal species. The Cambrian Explosion marks a significant milestone in the evolution of complex life on our planet.
What is another name for the sudden appearance of a new allele?
Another name for the sudden appearance of a new allele is called a mutation. Darwin called it a sport of nature.
Which term is used to described a sudden growth in the population of the city?
"Boom" is used to describe a sudden growth in the population of a city.
Abundant fossil evidence did not appear in the geologic record until about?
The abundant fossil evidence appeared in the geologic record around 541 million years ago during the Cambrian period when complex organisms started to evolve. This sudden appearance of diverse life forms is known as the Cambrian explosion.
How is sudden cardiac death described?
When the heart suddenly stops beating effectively and breathing ceases, a person is said to have experienced sudden cardiac death.
What can complicate classification of organisms?
Something that can complicate classification of organisms is the sudden discovery of a unique organism that can't be readily classified.
Whatever its ultimate cause the Cambrian explosion is a prime example of?
the sudden appearance of a diverse array of complex life forms in the fossil record over a relatively short period of time. This event marks a significant milestone in the history of life on Earth, showcasing the rapid evolution and diversification of multicellular organisms during the Cambrian period around 541 million years ago.
Is appearance or appearance the right spelling?
The spelling which is correct is appearance.Here are some example sentences with the word:She is obsessed with her appearance.The sudden appearance of the goblin king startled me.Make sure you have a good appearance for the job interview.
What is the meaning of Emergence?
Sudden or unexpected appearance; an unforeseen occurrence; a sudden occasion., An unforeseen occurrence or combination of circumstances which calls for immediate action or remedy; pressing necessity; exigency.
What is a sudden change in an organism called?
An unexpected change in an organisms trait is a mutation.
