Hummingbird predators would not have a food source, therefore competitive exclusion would occur and there'd be a decrease in hummingbird predators. There would also be an increase in the number of the hummingbird's prey since the hummingbird wouldn't be there to consume them. The absence of the species would mess up the rest of the ecosystem
A. Patient is male because there is a Y chromosome
B. 47 chromosomes
C. Down syndrome or trisomy 21
Answer:
A:true animals only perform cellular respiration and plants only perform cellular respiration
Each nucleotide only pairs with one nucleotide
<span>Sensory and motor nerves make up the central nervous system.</span>