A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
I believe it is 4)Shearing teeth (Carnassial teeth)
Amniotic egg are for reptiles
Fur are for marsupials, and dogs
Retractable claws are are cats
Shearing teeth are for carnivores
Answer:
haploid
Explanation:
Sexual reproduction involves the production of haploid gametes by meiosis, followed by fertilization and the formation of a diploid zygote.
<span>Mutations in small ribosomal subunit biogenesis proteins that cause disease</span>