O type blood contains both A and B antibodies.
Spontaneous mutations in the bacterias DNA
A. is your correct answer.
<span>It leads to an increase level of biodiversity.</span>
The survival of every ecosystem is dependent on the producers<span>. Without </span>producer s<span>capturing the energy from the sun and turning it into glucose, an ecosystem could not exist. On </span>land,plants<span> are the dominant </span>producers<span>. Phytoplankton, tiny photosynthetic organisms, are </span><span>the most common producers</span>
