C
The hygroscopic nature of lichen also does not allow them to survive highly polluted environments. This is because they will also absorb the toxins from the atmosphere into their systems. The toxins will then affect their growth, negatively.
Explanation:
Lichen is one pioneer species in primary succession. They have undefined roots hence do not require soil and can grow on rocks and break them down slowly by chemical weathering (using excreted organic acids). More so lichen does not need to absorb nutrient via roots because the organism is a symbiotic relationship between fungi and algae. The algae can use photosynthesis to manufacture food while the fungi complex hyphae that surround the algae can absorb water & nutrients from the air due to their high hygroscopic nature.
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Answer:
Ss
Explanation:
A heterozygote has the DOMINANT (S) and RECESSIVE (s) traits both present
The probable genotype of the IV-3 with the perspective of autosomal inheritance will be A because he does not have condition A. Therefore both parents must be in condition A.
The probable genotype of IV-3 with the perspective of set=linked inheritance will be BbY this is because he has B condition. Therefore the mothers' genotype must be XBXb and the father's genotype must be XBY.
The probability of IV-4 having condition A is 1/36
