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sweet [91]
4 years ago
8

What phase is a nucleus present

Biology
1 answer:
frozen [14]4 years ago
3 0
A unique feature of the nucleus is that it disassembles and re-forms each time most cells divide. At the beginning of mitosis, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down, resulting in the release of most of the contents of the nucleus into the cytoplasm.
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Which of these planets has water ice near its poles?
sergejj [24]

Answer:

Mars

Explanation:

The Deep Freeze: Ice on Mars. Like Earth, Mars has ice caps at its poles. Water reaches the poles as vapor and is frozen into thin layers that build up thick deposits. Mixed with this water is dust picked up by the wind, so the caps have bright and dark layers of "clean" and "dirty" ice.

5 0
3 years ago
Why is studying climate change a scientific challenge? ( please be specific and<br> go into depth)
777dan777 [17]

Answer:

Climate change is already happening: temperatures are rising, drought and wildfires are starting to occur more frequently, rainfall patterns are shifting, glaciers and snow are melting and the global mean sea level is rising. These ever-changing trends mean that scientists have to be well acquainted with all this which requires a great deal of understanding and patience.

The political interests in research often limit the results and many a time misleading

Data for climate research is in many instances difficult to access, often at a price, and according to the source and type of data, the formats for retrieval can be very different. In addition, data may not be available for the same time and space scales. There is often an incompatibility between socio-economic and physical data, both necessary for climate modeling efforts because data collection is generally carried out by different agencies for different purposes. This means scientists have to analyze this data as useful and then research on it.

Explanation:

Pls vote my answer as brainliest

5 0
3 years ago
How do early successional species alter the environment in ways that make growing conditions more difficult for their own specie
Valentin [98]
<span>The early successional species did alter the environment in ways that make growing conditions more difficult for their own species in the way of the rapid growth. Rapid growth is also connected with the short-lived that occurs in the Earth.</span>
4 0
4 years ago
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xeze [42]

The answer is the second one. Good luck!!

5 0
3 years ago
The carrying capacity is the maximum number of individual organisms that ____.
yawa3891 [41]

The carrying capacity is the maximum number of individual organisms that a specific environment can support.

  • An environment can only support a limited number of people.
  • Carrying capacity refers to the maximum population size that an ecosystem can support without depleting the natural resources available at a time.
  • Carrying capacity is determined by limiting variables like non-living(abiotic) factors and living(biotic) factors.
  • The number of creatures that may live in an environment is determined by the availability of abiotic (eg. water, oxygen, and natural habitat) and biotic (eg. food, decomposers like fungi) elements.
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  • Sustainable development is defined as development that meets current needs without impacting future generations' ability to meet their requirements.
  • Resources may be fully exhausted if the population exceeds the carrying capacity for an extended length of time.
  • Natural disasters(flood, drought, volcanic eruption etc.) and  Anthropogenic activities(human interventions) also have the potential to reduce or raise carrying capacity.

To learn more about the carrying capacity, refer:-

brainly.com/question/20270121

6 0
2 years ago
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