Although at first it may seem like an antigen, it's a pathogen.
An example of a biogeochemical adaptation is camouflage <span />
A substance used, or acted on, by another process or substance such as a reactant in an enzyme catalysed reaction.
Answer:
- Complete dominance: one allele masks the expression of the other gene variant or the phenotype is caused by the absence of gene function when both alleles are recessive.
- Incomplete dominance (codominance): both alleles are expressed and contribute to the phenotype
Explanation:
Complete dominance is a type of dominance by which one allele (dominant allele) completely masks the effects of another allele (recessive allele) in heterozygous individuals (i.e., individuals carrying two different gene variants or alleles). On the other hand, codominance refers to a type of incomplete dominance where both alleles in the genotype are observed in the phenotype. Complete dominance is caused when the recessive allele is not expressed, while if both alleles are expressed it is called incomplete dominance.
B. Volcanic lava and ash
Explanation:
One of the ways the earth adds rocks to the crust is through volcanic lava and ash. Volcanic activity is a constructive process that occurs on the earth surface because it brings more materials to the earth.
- During a volcanic eruption, lava which is a form of molten rock reaches the surface of the earth where it cools and solidifies to form volcanic rocks.
- Subduction is a destructive process along convergent margins.
Learn more:
volcanic eruptions brainly.com/question/5055821
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