Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement
Data have shown significant differences in nitrogen retention, blood cortisol concentrations, vital signs, water con- sumption, and urine production. Implications are that total energy balance is altered when an animal is exposed to ectoparasite infestations, thereby resulting in decreased productivity.
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Answer:
True
Explanation:
The Devonian Period comprises the years between 416 million and 354 million and is subdivided by periods: Lower (the oldest), Middle and Upper (the most recent).
During this period, the main transformations occurred in the flora, with the exponential growth of small terrestrial plants through the development of spores. With this process, plants will become more similar with modern plants. During this period the plants were able to fertilize themselves with the seeds and reach the height of trees. They formed the first forests to be recorded, with the appearance of licopodia, ferns and progimosperms.
Answer:
In biology, the relationship in which one organism lives inside another is described by the term endosymbiosis.
Explanation:
Endosymbiosis refers to a form of association that organisms have, in which one individual lives and performs his functions within another's body -using his resources to survive- being called the first symbiont, and the second host.
An example of endosymbiosis is found in bacteria that are part of the intestine of some living organisms, contributing to the process of food degradation.
Additionally, endosymbiosis is relevant in explaining the origin of eukaryotic cells from symbiosis between prokaryotic cells, which is known as endosymbiotic theory.
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