Giant fossil ferns are evidence that life existed in the northern part of the region where it is usually cold. This would then suggest that before, some conditions were adaptable to some organisms compared to now.Thank you for your question. Please don't hesitate to ask in Brainly your queries.
Answer:
The correct answer is option b. "The interior cells are exposed to a different physical and chemical environment than the exterior cells".
Explanation:
Complex multicellularity is a characteristic that large organisms comprised of thousands of cells posses. The organisms with complex multicellularity have their cells organized into different tissues in a three dimensional arrangement, that often involves the development of organs. One characteristic of complex multicellularity is that the interior cells are exposed to a different physical and chemical environment than the exterior cells. For instance, skin cells have adapted to serve as a barrier to pathogen and environmental conditions, while blood cells have adapted to transport nutrients and serve in the immune system.
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Their economic value -how much people would be willing to pay for them- is not revealed in market prices. ... The only option for assigning monetary values to them is to rely on non-market valuation methods.
Explanation:
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Answer:
microspheres expand by absorbing other molecules until they reach an unstable size, where they then split into smaller microspheres.
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