BIOLOGY HIGH SCHOOL

What time period lasted for more than half of the hypothesized history of the Earth? a. Carboniferous c. Paleozoic b. Cretaceous d. Precambrian Please select the best answer from the choices provided

Answers

Answer 1
Answer:

What time period lasted for more than half of the hypothesized history of the Earth?

d. Precambrian
Answer 2
Answer:

Your awnser in D] Precambrian. Hopefully i could help :)

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Classify the statements below as describing proto-oncogenes or tumor suppressor genes. 1. Some products of these genes normally function in repairing damaged DNA. 2. These genes code for proteins that normally promote cell division. 3. Mutations that increase activity of these genes may lead to cancer. 4. These genes code for proteins that normally prevent uncontrolled cell division. 5. Loss-of-function mutations in these genes may lead to cancer.

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 2. These genes code for proteins that normally promote cell division. 

DNA genetic code  is copied in a process called transcription when the cell needs to make some proteins that it needs, that is during the process of protein synthesis.

In the cell nucleus, transcription occurs when coded information  is copied (transcribed)  from DNA onto messenger RNA (mRNA)  with the help of an enzyme called RNA polymerase.

Which term describes the energy that is stored due to the height of an object from the ground?

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The term that describes the energy that is stored due to the high of an object from the ground is called Gravitational Potential Energy.

Answer:

To summarize, potential energy is the energy that is stored in an object due to its position relative to some zero position. An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height.

3. Which of the following effects do the sun and moon have on tides when they are nearly in line with Earth during a new moon? (1 point) They produce an extremely low tide. They produce an extremely high tide. They produce a tide with the greatest difference between consecutive low and high tides, or a spring tide. They produce a tide with the least difference between consecutive low and high tides, or a neap tide.

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The sun and the moon has an effect on the tides when they are nearly in line with Earth during a new moon. This effect is they produce a tide with the greatest difference between consecutive low and high tides, or a spring tide.

The beginnings of a tornado a funnel cloud true or false only answer if u know please 100

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I think its true because the tornado is caused by the clouds.

An ecosystem could probably survive without

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Hi There! :)

An ecosystem could probably survive without?

 soil.

Select all that apply. Micro-evolution _____.

-refers to evolution at or below the species level
- includes evolution at the population and community level
- analyzes the history of life over time
- refers to evolution above the species level
- is based on direct observation

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-refers to evolution at or below the species level- YES
- includes evolution at the population and community level - YES!
- analyzes the history of life over time - well, I wouldn't choose this answer. life.. as in one life form or all life forms? it's not clear to me. In any case "microevolution" doesn't anlyse anything, it's a process of change...
- refers to evolution above the species level -NO! it would be rather evolution within the same species, on a very small level
- is based on direct observation - NO! it would rather be based on genetic analysis

Answer:

Microevolution:

-includes evolution at the population and community level

-refers to evolution at or below the species level

ik it looks like i coppied that dude above me i didnt i did the quiz and that was right.
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