What is an extremophile? Give an example

Answers

Answer 1
Answer: Its a microorganism a little tiny animal that lives in very extreme temperatures. Like antarctic krill.
Answer 2
Answer:

a microorganism, especially an archaean, that lives in conditions of extreme temperature, acidity, alkalinity, or chemical concentration. hope this helps as an answer :)

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Which phase of meiosis is represented?A. telophase II

B. metaphase II

C. anaphase I

D. prophase I

Answers

The phase of meiosis is represented to B
A thats where the two diploids are made

Which of the following statements best compares genetic diversity in eukaryotes and prokaryotes?A. Both eukaryotes and prokaryotes can transfer DNA using conjugation and fertilization.
B. Eukaryotic species experience a greater rate of mutations within their populations.
C. Mutations increase the genetic diversity in both prokaryotes and eukaryotes.
D. Sexually reproducing eukaryotes evolve faster than species that reproduce asexually.

Answers

Answer:

C. Mutations increase the genetic diversity in both prokaryotes and eukaryotes.

Explanation:

It is a well-established fact that mutations increase the genetic diversity in living organisms (especially if they are positive mutations). The positive and faster mutations will help the organism to develop better traits for survival in the changing environments.

The other options are incorrect because of the following reasons:

A. Eukaryotes don't do gene transfer via conjugation.

B. Eukaryotic species don't experience a greater rate of mutations as compared to the prokaryotes. Prokaryotes have a faster mutation rate. This is the reason that microbes can adapt to changing environments faster than humans or other multicellular organisms.

D. As mentioned above, sexually reproducing eukaryotic species evolves slower than the asexually reproducing species. For example, evolution in bacteria (e.g. drug resistance) is faster than any organism belonging to eukaryotic lineage.

Answer:

C .  Mutations increase the genetic diversity in both prokaryotes and eukaryotes.

Explanation:

I took the test and that was the correct anwser.

Slow cooling of hot magma leads to the formation of what crystals

Answers

Slow cooling of hot magma turn into big crystals and fast cooling hot magma crystals are small. It takes time too form big crystals
Ice I'm pretty 80% sure that it is

The collision of what causes the movement of heat in conduction?

Answers

Answer:

Conduction is the movement of heat through a substance by the collision of molecules. At the place where the two object touch, the faster-moving molecules of the warmer object collide with the slower moving molecules of the cooler object.

Explanation:

Why is it relatively rare to observe a solar eclipse

Answers

A solar eclipse happens when the moon moves between the sun and earth casting a shadow on the earth.  Since the moon is small in comparison to the earth, the shadow cast only covers part of the surface area of the earth.  You have to be in the right place to see the eclipse because of the narrow path of the shadow.

What is the BEST way to discover if there is water on the surface of Mars? A)
Send space probes to Mars to study the surface


B)
Study the moon’s surface, since it is similar to that of Mars


C)
Observe the color of Mars to see if there are traces of blue


D)
Study meteorites on Earth, believed to have been rocks from Mars

Answers

It would be A send a space probes to mars to study the surface like the NASA's Mars Exploration Rover (MER) mission was a robotic space mission involving two Mars rovers, Spirit and Opportunity, exploring the planet Mars.

Answer:

A is correct!

Explanation: