Answer:
The four-letter word which speaks to the ability of an organism to modify its behavior or actions to external stimuli is <u>Move.</u>
Explanation:
Movement gives organisms the ability to move away from or towards an external stimulus depending on whether it is a detrimental stimulus or a favourable one.
Examples of stimuli are:
- Light: All organisms respond to the presence of light. Some stay away from it and remain at sleep until the sun goes down. They are called nocturnal. Others gravitate towards it. Plants always grow towards light.
- Temperature: Some organisms favour cold environments, other the temperate parts of the earth
- Sound: The sound of a carnivorous animal such as the lion will put a deer to flight. The sound of a mother hen calling out to her chicks will attract them to her.
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Answer:
The correct option is D. Drug-resistant populations of microbes arise when exposure to drugs selectively kills sensitive cells, allowing overgrowth of resistant cells.
Explanation:
Drug- resistance can be described as a mechanism through which an organism can overcome the effect of a drug.
Usually, exposure of a drug again and again to a population of microbes will make the microbes resistant to that drug. The cells of the microbes undergo some change to overcome the effect of that particular drug.
A population of drug-resistant microbes might occur when the sensitive microbes get killed by the drug and resistant strains remain alive.
MRNA is RNA that carries info from DNA to the ribosome. The mRNA is initially transcribed from the corresponding DNA sequence and then translated into protein. That is the best answer I have sorry that I can't help further!
Answer:
1. The gas loses thermal energy.
2. The particles of gas move slower.
3. The space between the gas particles decreases.
4. The gas changes to a liquid.
Explanation:
