There are so many species in the millions of years discovering each one. Classifying is one way that organizes all types of species into categories, knowing what they are, their characteristics, their habitat, etc
Answer:
We can see that Lucy has ADA-SCID due to the constant infections that she has, generated by microorganisms that are easily fought by the immune system.
Explanation:
ADA-SCID is a hereditary cataresis syndrome that leaves a person's immune system highly weak and sensitive, failing to combat simple microorganisms that pose no danger to humans with the normal immune system. People with these syndromes basically have no defense in their bodies and often have infections caused by organisms that are easily fought by a healthy immune system. In addition, these infections can progress to more severe clinical cases.
Answer:
The correct answer is option B, that is, phthalates.
Explanation:
A class of chemicals that are used to soften plastics like PVC, function as fixatives and solvents and bind fragrances in the products are known as phthalates. The human encountering with the chemicals can take place via:
1. Inhalation of fragrances or fumes from fixatives and solvents,
2. Chewing on a plastic toy by a child that develops small openings in the plastic, which provides a space for the chemical to get leached from the toy into the mouth of the child.
3. Through the absorption of perfumes, lotion, and deodorants.
The serious health effects of the chemicals comprise developmental and reproductive issues, hormone disruption, low sperm count, asthma, undescended testes, preterm birth, premature puberty, and development of certain kinds of cancers.
Evidence validates conclusion
