Answer:
Males with an additional X chromosome are said to have Klinefelter's syndrome with the XXY genotype.
Explanation:
Males with an additional X chromosome are said to have Klinefelter's syndrome with the XXY genotype. They appear to be quite tall and lean, and could have learning disabilities and problems with reproduction, but they are developed differently.
Klinefelter syndrome usually takes place when reproductive cells (eggs and sperm) are produced as a natural event. An error throughout the cell division termed nondisjunction results in an unusual set of chromosomes in a fertility cell.
Answer:
D. Owls.
Explanation:
In a food chain, the secondary consumer is one who feeds on the animal that feeds on the producer.
By looking at the food chain shown in the question above, we can see that the producer is the blueberry bush, which will be consumed by the mice. The mice had served as food for the owl, which had served as food for the bobcat.
As you can see above, mice are the primary consumer that feeds on the producer, the owl, therefore, is the secondary consumer since it feeds on mice.
B is the best answer to this question
Answer:
The population is younger when life expectancy are shortened.
The population decreases from low birth rates and high death rates.
he diseases continue when cycles of infection occur.
The productivity declines when people are too sick to work.
Explanation:
- In case of an outbreak of an endemic or epidemic diseases, all aspects of life in that particular regions shakes.
- The society is affected, economically, politically and socially.
- Some of the social effects above are;
The population decreases from low birth rates and high death rates, due to the low reproductive rate caused by weakness from the disease and high death rate from effect of the disease.
The population is younger when life expectancy are shortened, this is because, the possibility of the aged people dying out of epidemic and endemic diseases is high comapred to the younger population.
- An economic effect is; The productivity declines when people are too sick to work, since, the diseases weaken the body and therefore incapaciate it from working, thereby decreasing productivity.
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