Answer:
Add nutrients to the soil
Explanation:
Plants are destroyed over a wide area, during an eruption. The good thing is that volcanic soil is very rich, so once everything cools off, plants can make a big comeback!
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Answer:
The type of treatment indicated to treat infertility due to blockage of the vas deferens is surgery to remove the obstruction (option C).
Explanation:
Blockage of the vas deferens is a known cause of obstructive azoospermia, which prevents the passage of sperm and causes infertility. This type of obstruction can be corrected by surgery, part of the treatment of infertility from this cause.
The vas deferens are in charge of conducting the sperm from the testicles to the ejaculatory ducts, which prevents these gametes from being expelled to fulfill their function in reproduction.
The other options are not correct because:
<em> A. </em><u><em>Medication to stimulate sperm production</em></u><em> does not resolve the blockage.
</em>
<em> B. </em><u><em>Hormone therapy to increase testosterone </em></u><em>could be considered for infertility treatment, but the obstructive problem continues.
</em>
<em> D. </em><u><em>Semen implantation in the testes</em></u><em> does not exist as a medical treatment.</em>
invasive species cost the United States more than $120 billion in damages every year.
Answer:
The answer is B. Eumetazoa and Lophotrochozoa.
Explanation:
The difference between the lophotrochozoa and deuterostomia is the way they develop on the cigote phase.
Lophotrochozoa are a clase that has a spyral shape.
The literature mentions that the phylum Cycliophora are coelomates and their embryos undergo spyral cleavage which is a common characteristic of the Lophotrochozoa.
The Eumetazoa clase are conformed on organisms whit his own tissues and the phylum Cycliophora has a "U-shaped intestine that brings it´s sanus close to the mouth".
In conclusion, the correct answer is that the phylum Cycliophora gets into the clases Eumetazoa and Lophotrochozoa.
