Answer:
It is the failure of homologous chromosomes to separate properly during gamete formation (meiosis). Klinefelter syndrome can occur and is seen as males with gametes XXY instead of XY. It affects sex organs, including creating smaller testes and causing sterility. Males can be taller in stature with normal intelligence.
edge
symmetrical in many ways across a central axis
presence of a head
development from three cell layers
Answer:
symmetrical in many ways across a central axis
presence of a head
Explanation:
Right!!
The answer is B and C
b. tsunamis
c. food web
d. day and night
b. They were unintentionally introduced to the Great Lakes by humans.
c. Zebra mussels have caused a great deal of environmental damage to the area.
d. People of the Great Lake region are benefitting from the economic advantages of having zebra mussels in the region.
Answer:
The answer is D
Explanation:
I just took the test
B. oceans
C. rivers
D. deserts
Rivers are the geographic feature that gave rise to early civilization. The earliest urban foundations were made someplace in the scope of 4000 and 3000 B.C.E. when the rising of agribusiness and trade allowed people to have surplus food and financial security.
Since many people no longer needed to farm for food, a wide range of occupations and interests could flourish in a small area. Mesopotamia, Egypt, the Indus Valley, and China are the four oldest civilizations because they provided the foundation for ongoing cultural development.
Learn more about early civilization, here:
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