Because tropical levels used to be broken because temperatures hasn't varied in the years and history of global temperatures and history.
There are two main theories for the lack of organic material in desert soils. Firstly, the organic life in most deserts is so sparse that it cannot produce much organic matter. Secondly when things do die and decompose in the desert the heat and sunlight often bleach nutrients out of the matter before it is decomposes enough to be absorbed into soil
It is a big depression i the Earth
it is homozygous for fur color
Explanation:
the only way a body will develop and show a recessive trait is if it's genotype is homozygous because any dominant allele will automatically make the rabbit develop the dominant color not the recessive. bb should be it's genotype.
I would say B but do you have any cladogram to read it, or you are supposed to know it?
B is probably correct because green algae are most primitive group of plants.