I am not 100% sure but I thinking it responds when pathogens enter the body because the immune system is meant to protect your body from illness.
Answer:
sequences of nitrogenous bases in the cell's DNA
The answer is A: Polyploidy is a condition in which an organism acquired more than the normal amount of chromosomes.
Hope this helps.
Answer:
practice sustainability
Explanation:
If we produce less CO2 by: riding bikes, ride-sharing, walking, public transportation, hybrid vehicles are ways we can decrease pollutants individually. If we promote policies for recycling, proper disposal of hazardous materials, urban agriculture, farmer's markets, and "green energy" we can make an even bigger impact that would decrease detrimental global changes such as warming and ocean acidification. Its interesting to think about how much gas was spent to drive your bananas to your grocery store from where they were produced.
