Pneumocystis is an organism normally found in the human lungs that can cause pneumonia. it seldom causes problems in individuals with healthy immune systems. however, people with aids sometimes become seriously ill with pneumonia. this is most likely due to the fact that individuals with aids have

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.