Answer:
A) boreal forest and tundra
Explanation:
Boreal forests are present north of 50-60 degree north latitude. Tundra biomes are also called as arctic tundra and are also located in extremes of the north latitude. Boreal forests are world' largest biome and stretches across both North America and Eurasia. So, the two habitats are found at high latitudes among the given options are: boreal forest and tundra.
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D. Losing electrons
REASON:
Cations means positive ions.
Positive ions are formed by losing electrons which increase positive charge on the body.
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Answer:
The mutation in the MCR1 <em>gene </em>affected the structure and function of the MCR1 <em>protein</em>.
A leech is an example of a parasite
