Answer:
Recessive lethal genes can code for either dominant or recessive traits, but they do not actually cause death unless an organism carries two copies of the lethal allele. Examples of human diseases caused by recessive lethal alleles include cystic fibrosis, sickle-cell anaemia, and achondroplasia.
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Because if animals dint have a good habitat they wont have a desent place to bd in
Answer: Its smaller jaw bone
Explanation: Just look at the picture
South America, Brazil, Canada, And Hawaii
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