All cells have cell membranes, and the membranes are flexible. So animal cells can have various shapes, but plant cells only have the shapes of their cell walls. That's nice for plants, because it gives them the ability to grow up and out, where they can get lots of sunlight for making their food.
Answer:
Las funciones de las glándulas endocrinas están estrechamente integradas entre sí y también existen conexiones anatómicas y funcionales entre el sistema endocrino y el sistema nervioso central y periférico: esto ocurre tanto a través de la médula de las glándulas suprarrenales, que secretan hormonas adrenalina.
After seeing a graph represented below, I have recognized the correct answer, and I think that the statement concerning the oxygen level in the lake which can be inferred from the graphs is being revealed by the option 1 -<span>Trout and whitefish require higher oxygen levels than do carp. As you can see the oxygen line on the graph shows that carp does not require as much oxygen as whitefish does require, as level is increasing on the left side.
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Regards.</span>
Answer:
The answer is D. a color pigment that absorbs certain wavelenght of sunlight, where photosynthesis occurs
