The correct answer is A. DNA cell membrane, cytoplasm, and ribosomes.
Both eukaryotes and prokaryotes they have basic features which are cytoplasm and cell membrane.
Prokaryotic cells they don't have nucleus while eukaryotic cells nucleus are present.
Eukaryotic cells they contain many membrane which are enclosed in an organelles. For example, Golgi apparatus, lysosome, and mitochondria.
In prokaryote they don't have membrane which is enclosed to them.
Life is the period between the birth and the death of the organisms during which they perform various cellular activies and functions like growth, reproduction, digestion, excreation, etc.
Even though conditions in the external environment may vary widely, most organisms must keep internal conditions such as temperature and water content fairly constant to survive.
<h3>What is homeostasis?</h3>
The tendency to maintain a stable, relatively constant internal environment is called homeostasis. The body maintains homeostasis for many factors in addition to temperature. For instance, the concentration of various ions in your blood must be kept steady, along with pH and the concentration of glucose. If these values get too high or low, you can end up getting very sick.
<h3>Homeostasis features:</h3>
- Homeostasis is the tendency to resist change in order to maintain a stable, relatively constant internal environment.
- Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points.
- In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.
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A. they arose out of Africa less than 200,00 years ago
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