Some Animals Have No Gills When Young,but Then Develop Gills

question 5

Multiple Choice

Some animals have no gills when young,but then develop gills that grow larger as the animal grows larger.What is the reason for this increase in gill size?

• A)The young of these animals are much more active than the adult,which leads to a higher BMR and therefore a higher need for oxygen.
• B)Relative to their volume,the young have more surface area across which they can transport all the oxygen they need.
• C)The young have a higher basal metabolic rate.
• D)Relative to their surface area,the young have more volume in which they can store oxygen for long periods of time.

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Definitions:

Organisms

Any individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis.

DNA Sequences

The precise order of nucleotides within a DNA molecule, which determines the genetic information carried by that DNA.

Molecular Data

Information obtained from the analysis of the molecular structure of biological substances, such as DNA, RNA, and proteins, used for studying genetic relationships and evolutionary patterns.

Structural Differences

Variations in the physical or anatomical organization between objects, organisms, or systems.