Explanation:
Each step in a food chain or web is called a trophic level
What you meant must be the adaptive advantage of the frogs' lungs. Frogs are considered as amphibians wherein the have this unique ability to reside either on land or in water. Their specialised lungs could be responsible to these which makes them capable of breathing oxygen in water and land.
Its D) UGCUGC because this sequence is the mrna if it was the dna sequence it'd be B but its definetly D
A genetic mutation. It's known as malformation. It can be caused by a trisomy in one of the alleles, or an affected gene.
You may find them floating in the cytosol. These floating ribosomes make proteins that will be used inside the cell. Other ribosomes are found on the endoplasmic reticulum.
