Answer:
Speciation has become complete when organisms of one population do not recognize the mating call of another population and so mating does not occur. Which of the following statements about reproductive barriers and speciation is true? Speciation can occur with even a single gene mutation if that mutation involves reproductive barriers.
Explanation:
Air pollution is a type of environmental pollution that affects the air and is usually caused by smoke or other harmful gases, mainly oxides of carbon, sulphur and nitrogen. In other words, air pollution is the contamination of air due to the presence or introduction of a substance which has a poisonous effect.
Air pollution can also cause long-term damage to people's nerves, brain, kidneys, liver, and other organs.
Answer:
C) It involves interactions between biotic and
abiotic factors.
Explanation:
Ecosystems need energy imput, need both consumers and producers, and can exist on land, lakes, rivers and oceans.
The autonomic nervous system<span> plays an essential </span>role<span> in </span>keeping the body'sinternal environment (temperature, salt concentration, blood sugar, oxygen and carbon dioxide level in blood, etc) in proper balance, a condition calledhomeostasis<span>. ... These and other </span>body<span> actions are controlled by the autonomic</span>nervous system<span>.
Hope this helps :)</span>
Sorghum and millet are the grains that thrive well in arid environments. Sorghum is a close relative of the smaller millet, with the latter measuring only a third in size to sorghum. It is important to know that sorghum is sometimes called great millet.
Every 192 -gram cup of cooked whole sorghum or millet contains 22 grams compared to wheat (16 grams), brown rice (15 grams), and maize (16 grams).
