Answer:
yes
Explanation:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
A)
<span><u>proteins</u>
</span><span>Cell membranes contain membrane proteins that allows all the interaction that occurs within the cell. It makes the cell membrane selectively permeable because of its characteristics as being fluid or its fluidity which means to say that they can move freely within the lipid bilayer. The membrane proteins can also be stored in the lipid bilayer together with the enzymes. It cannot be denied that membrane proteins have a lot of functions based on its type. They can be integral proteins, peripheral proteins and lipid bound proteins. </span>
The sentence a Venus flytrap closes its leaves when its trigger hairs are stimulated is the best example of a living thing responding to its environment (option B).
<h3>What does characterize living organisms?</h3>
The main characteristics of living organisms refer to features shared by different life forms, which are essential to sustaining life, i.e. their metabolic activities in order to perpetuate across time.
One of the main characteristics that sustain life is the ability to respond to environmental stimuli. In this regard, it has been debated if this feature is the main characteristic that sustains life, but detractors of this idea state that it is not the main feature because viruses are able to respond to stimuli and they are not alive.
Therefore, with this data, we can see that the ability to respond to stimuli is one of the main features of living organisms.
Learn more about the characteristics shared by live organisms here:
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Answer:La transición de formas de vida unicelulares a multicelulares ha ocurrido en más de una ocasión a lo largo de la evolución. Las plantas, las algas marrones, los hongos y los animales han adquirido estilos de vida multicelulares de forma independiente y convergente.
La aparición de los animales representó un paso evolutivo clave en la historia de la vida. El desarrollo embrionario y todas las funciones que requiere la vida multicelular se hallan conservados en todos los animales, desde las esponjas a los humanos.
La secuenciación de los genomas de las especies unicelulares más cercanas a los animales ha revelado que estas ya contenían muchos de los genes necesarios para la multicelularidad. Estos habrían sido reutilizados para nuevas funciones multicelulares en el ancestro común de todos los animales.
Explanation:
