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Katena32 [7]
3 years ago
15

According to the fossil record, which statement

Biology
2 answers:
Pepsi [2]3 years ago
6 0
<span>(1) Most of the species that have lived on Earth no longer exist.</span>
Scientists actually believe that 99.9% of all species to have lived on this planet are now extinct.
jolli1 [7]3 years ago
4 0

Answer:

(1) Most of the species that have lived on Earth no longer exist.

Explanation:

Fossil describes the remnant or trace of animals or plants in a geologic age that is preserved in the Earth's crust. It can be studied to give a fossil record, which is an evidence of past existence of a plant or an animal.

Fossil record is the history of life of an organisms documented by fossil that has been preserved in rocks. It helps paleontologists, archaeologists, and geologists to make accurate predictions about events and species.

Scientists believe that almost 99.9% of species of different organisms that have lived on Earth are now extinct. Therefore according to fossil record, most of the species that have lived on Earth no longer exist.

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According to theories of how life began, how did early organic molecules begin to separate from the outside world?
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Answer:

The answer is Formation of microspheres or vesicles

Explanation:

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3 years ago
What percent of DNA do they say is active and important?
arsen [322]

Answer:1%

Explanation:

The correct answer is less than 8% of DNA is active. But here's only 3options are available so the answer is 1%. Other DNA is in an inactive form. Only 8% of DNA is performing functions of the body actively.

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4 years ago
You go on a trip to the Galapagos island to study the animals there for a paper you are writing on evolution, just like Darwin d
ella [17]

Answer:

C. Phenotypes

Explanation:

Taking notes on all the physical characteristics observed about the tortoises and then observing the finches, I have observed the phenotypes.

Phenotypes are the observable characteristics of a species which are the result of genetic expression influenced by the environmental factors.

So, phenotypes will be recorded during the trip while taking notes on all the physical characteristics which can be directly related to genotype and environmental factors.

Hence, the correct option is "C. phenotypes".

3 0
4 years ago
Read 2 more answers
What does diffusion do in the respiratory system and circulatory system
GenaCL600 [577]

Answer:

Diffusion in the Lungs trades out Carbon Dioxide (CO2) for Oxygen (O2) In the Circulatory system it trades Oxygen (O2) for Carbon Dioxide (CO2)

Explanation:

As you breathe the Lungs take in air, as they do that the air travels to the bronchi, from there it goes through a process where the veins which have carried de-oxygenated blood to be diffused and reloaded with Oxygen and trade off their CO2. Then the blood flows through arteries and delivers the needed O2 to cells throughout the body and the cycle repeats.

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