D. Muscus and cilia trap pathogens
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The right answer is D.
A gamete is a generally haploid reproductive cell specialized in fertilization, or gamy (that is to say, able to fuse with another gamete, complementary type if necessary), in eukaryotes.
The process that carries out the fusion of two gametes is called fertilization or gamy, it is the complementary event of meiosis. Fertilization produces a new single cell, called a zygote, whose chromosome number has doubled to 2n.
Answer is B. Best way to check is make a square
The answer would be the first one :)
<span>phenotype, genotype is the answer for the question above hope this will help.</span>
