Answer:
b. Hiccupping is a vestigial reflex that suggests a common ancestry between humans and amphibians.
Explanation:
Hiccupping refers to an involuntary contraction of the diaphragm that usually occurs several times per minute. Some research has suggested that hiccuping is an evolutionary remnant of amphibian respiration. This is because the mechanism is remarkably similar to the way tadpoles gulp air and water across their gills. This would mean that hiccups exist due to an antecedent to modern lung respiration.
answer would be A I believe. Im not 100% sure though.
Answer:
False
Explanation:
groundwater makes up 1.7% of the earth's water
In the acid-fast or Ziehl-Neelsen stain, following the referred washing, the slide should be covered in 1%-3% acid alcohol to decolourise until the smear turns into light pink. After that, wash well with clean water to stop the decolourisation.
Answer:
Lake - hydrosphere
Water vapor - hydrosphere
Glaciers and icebergs - cryosphere or the hydrosphere
The Rocky Mountains - lithosphere
A deer - biosphere
Explanation:
There are four main spheres of the earth- The atmosphere (air), the biosphere (living things), the lithosphere (earth) and the hydrosphere (water).
The lakes are part of the hydrosphere
Water vapor present in the air is part of the hydrosphere
The Glaciers and icebergs are a part of the cryosphere (frozen form of water) or the hydrosphere
The Rocky Mountains are a part of the lithosphere
A deer is part of the biosphere
