The first one, <span>By having white blood cells to attack pathogens. this is because blood also has white blood cells. and the immune system has pathogens. so the blood cells help attack pathogens.</span>
Answer:
Depends on the situation Usually the hardest would be blood samples of the Unknown Subject. Again It depends on the situation.
<span>After staring at a blue light for a few minutes, Yoko shifts her gaze to a white wall and experiences an afterimage in the color yellow. Yoko's experience provides support for the opponent-process theory of color vision.
The opponent-process theory is proposed by
</span>color vision. This model was first proposed in 1878 by Ewald Hering and <span>states that when one emotion (in this case : color) is experienced, the other is suppressed. In Yoko's case she experiences (looked) the blue color long enough to supres the white color,</span>
The accurate answer is
True. <span>Most radially symmetric animals are aquatic.
An aquatic animal lives in water
They breath the same oxygen as we do
For example a whale is an aquatic
Glad to help :)
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Because they have selective mutation and each time an organism/animal reproduces they get half of their parents chromosomes. therefore each and every single organism/animal will be unique
