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What does it mean for species to have an evolutionary relationship?
If two organisms share an evolutionary relationship, that means that they have a common ancestor on the evolutionary tree. The more recently the shared common ancestor lived, the more closely related the two present organisms are, evolutionarily.
What is the mating of two closely related individuals?
Organisms sharing a common ancestor are of common descent. The LUA , the last universal ancestor, lived 3.9 billion years ago.
Which of the following can fossils teach us about the earth?
Fossils indicate several things about Earth's past: - the organisms that lived then, and by extension the organisms in their food chain - the climate in the area where the organism lived - how plate tectonics have moved landmasses that once were joined together
How do scientists think that the first multicellular organism arose?
The oldest fossils of multicellular organism are from tiny algae that lived about 1.5 billions years ago. By 600 million years ago the first multicellular animals-jellyfish-like organisms -had evolved.
Which branches of natural science include the study of an organism that lived 10 million years ago?
Paleontology is the study of prehistoric life. Paleozoology is the study of prehistoric animals. Paleobotany is the study of prehistoric plants.
How do we know that organisms that lived millions of years ago are related to the organisms of today?
Scientists use various methods to study the similarities and differences in the physical characteristics, genetic makeup, and evolutionary history of organisms that lived millions of years ago and those living today. By comparing fossils, DNA sequences, and other evidence, researchers can trace the evolutionary relationships between different species and determine how they are related to each other over time. This helps us understand the connections between ancient and modern organisms and how they have evolved and changed over millions of years.
How long have unicellular organisms have lived on Earth?
they have lived for up to millions of years
What is Formed from organisms that lived millions of years ago?
petroleum
Come from the bodies of dead organisms that lived millions of years ago?
coalpetroleumamber
How do scientists know that mollusks lived in Earth's oceans about 540 millions years ago?
fossils
Why do scientists believe that animals are related to animals that once lived on your plant?
no
What do fossils tell scientists about living things?
Fossils reveal what organisms lived before us.
How do scientist know that the first organisms were simple unicellular organisms?
Scientists data can only date back to when these simple, unicelluar organisms lived and thus believe other living organisms evolved through them.
What substance formed from tiny organisms in the sea millions of years ago is?
Petroleum is a substance formed from the remains of tiny marine organisms that lived millions of years ago. The organisms died and were buried under layers of sediment, where high pressure and heat transformed them into the fossil fuel we use today.
What organisms that lived hundreds of thousands of millions of years ago with bodies divided into three sections?
hundreds of thousands of millions of years ago is too far in the past - the universe is only 13.75 billion years old!However I know what you are asking and the organisms divided into three parts were the "trilobites". They lived about 500 million years ago.
Evidence left millions of years ago by dead organisms?
Fossils are evidence of organisms that lived long ago. Over time, these remains can be preserved in rocks, providing valuable insight into the history of life on Earth. The study of these fossils helps scientists understand past environments and evolution.
Which branches of natural science include the study of an organism that lived 10 millions years ago?
Life Science and Earth Science are branches of Natural Science that include the study of organisms from millions of years ago.
