Answer:
Option (C).
Explanation:
The dilation of feeder arterioles carry blood directly into the blood vessels. The pre capillary sphincter in the systemic capillary beds can open due to the different factors.
The local release of histamines do not cause the dilation of feeder arterioles and does not cause the opening of systemic capillary beds. Histamine chemical is involved in the immune response of the body.
Thus, the correct answer is option (C).
Answer:
the native birds may go extinct
the introduced bird may compete with the native birds for food, water, and space. but the introduced bird may also improve the variety of different species in the area and can be beneficial to other native birds
<span>Ecosystem consists all the biotic and abiotic factors in an ecological system. There are six ecosystems namely forest, grassland, desert, tundra, freshwater, and marine. These ecosystems are important because there are living and non-living organisms that depends on their habitat.</span>