Answer:
Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges. This contraction creates a vacuum, which pulls air into the lungs. Upon exhalation, the diaphragm relaxes and returns to its domelike shape, and air is forced out of the lungs.
The compound eye and eye is built differently from the vertebrate eye
Answer:
Decreased energy levels at higher trophic level can complement the survival of less number of organisms as compared to the lower trophic level. Thus, the number of organisms decreases as we move from producers to the consumers in a food chain.
It is called Acidosis or respiratory acidosis
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Answer:
The mating system Red-winged blackbirds have is Territorial Polygyny
Explanation:
Males Red-winged blackbirds arrive before females, select nesting places and defend the territory where 5 to 15 females can establish nesting areas.
Males attract females for nesting by vocalizations and postures, and also having large territories with enough resources for living.
Females accepts the male and his territory and then starts building the nest.
On this type of polygyny, the association between the male and several females occurs on the male`s territory.