It is also called a decision lol!
The number of fossils found, the fact that fossils are oftentimes just a cast/mold of the organism with no real remains, and no interbreeding.
As time moves forward, we still strive towards better methods to answer questions about extinct organisms.
Blood flow through most organs in the systemic circuit is regulated primarily by increasing or decreasing the sympathetic activity to arterioral smooth muscles in the organ. Another form of regulation called active hyperemia, depends upon the ,metabolic activity of the organ. Increased activity leads to increased interstitial fluid metabolites, which cause dilation of the arterioles, the former is a type of extrinsic regulation of blood flow; the latter is an example of intrinsic regulation.
Answer:
Option C, resulting in variation genes being expressed in different ways due to environmental conditions
Explanation:
Several genetic traits are affected by both internal and external environmental conditions. Some common examples are – height , color of eye, hair color, skin color, and even some genetic diseases.
The internal environmental factors include – gender, temperature etc.
While the external environmental factors include drugs, chemicals, temperature, and light.
Hence, the external environmental condition i.e pH of soil is producing different color of flowers in a given plant
Hence, option C is correct
Answer:
The percentage of people in Botswana that have HIV is 24. 83 percent .
Explanation:
Lesotho and Swaziland are the only country who is higher than Botswana in terms of terms of HIV prevalence rate in the world between adults aged from 15 to 49 years .
This condition has led to a major depletion in Botswana's workforce, because a good number of productive adults (18 to 50) developed AIDS and are unable to work .
