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Andreyy89
3 years ago
6

How are ancient organism tracks exposed to modern scientists?

Biology
1 answer:
Grace [21]3 years ago
6 0

<u>Answer:</u>

The evidence comes from fossils.

<u>Explanation:</u>

Paleontology is the study of the history of life on Earth as based on fossils. Fossils are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock.

I hope this helps!

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Most organisms can be divided into two categories - prokaryotes and eukaryotes. What is the main difference between these two ca
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Answer:

The main difference between Prokaryotic and Eukaryotic cell is that, eukaryotes contain membrane bound organelles like nucleus where as prokaryotes do not. The genetic material is present at the center and is called nucleoid in prokaryotes.

Explanation:

Example of prokaryotes include bacteria and archea bacteria. Examples of eukaryotes include plants and animals. Prokaryotes lack organelles such as mitochondria, endoplasmic resticulum and lysosomes which are present in eukaryotes. Both the groups contain ribosomes but its 70s ribosome in prokaryotes and 80s ribosomes in eukaryotes.

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A(n) ___ signal carries information by copying an original sound
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I am pretty sure the answer you're looking for would be Analog


I hope this helps:) Have a great day!!

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What is the defining abiotic factor of deserts
finlep [7]
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Use the words in the word bank and arrows you draw to complete the diagram so it tells how the Sun provides the energy that driv
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The correct flowchart is energy - > atmosphere - > air pressure - > convection - > global winds. This is a very simple process as explained.

<h3><u>Explanation:</u></h3>

The energy from the sun actually heats up the land surface and the water surface of the earth. As the land gets heated up, the layer of atmosphere that is adjacent to the land and water also gets heated up. This leads to the decrease of air density as the heat causes expansion of gases. With decrease in air density, the air pressure also drops and the air from the cooler layer of atmosphere above comes to fill up the space and this heated air goes up. This causes the convection current to get set up. This causes the global winds and different oceanic currents to flow all over the earth throughout the year.

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