There are two types of polar climate: ET, or tundra climate; and EF, or ice cap climate. A tundra climate is characterized by having at least one month whose average temperature is above 0 °C (32 °F), while an ice cap climate has no months above 0 °C (32 °F).
Answer:
The blue pigment production is linked to quorum sensing.
<span>A biologist can infer from a population that is uniformly distributed through its habitat that it has reached it's carrying capacity. If resources were unevenly distributed through the environment, you would not see a uniform distribution of the population itself.</span>
The answer is Sodium Chloride
D) The AV valves are supported by chordae tendineae so that they do not blow back up into the atria during ventricular contraction.