A recessive allele is shown in the phenotype
Answer:
Swim bladder
Explanation:
Swim bladder is an organ in bony fishes such as catfish that controls their buoyancy. It is also known as air bladder. The swim bladder contains gas, mainly oxygen and functions as a hydrostatic organ.
As the fish moves in deeper water, the gas in the swim bladder is contracted which decreases the volume of swim bladder.
Answer:
An enzyme-substrate complex is a temporary molecule formed when an enzyme comes into perfect contact with its substrate.
Explanation:
Answer:
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Correct answer: C). Evolution by natural selection, Galapagos finches
Charles Darwin gave the theory of natural selection in the year 1835 when he visits Galapagos Islands.
There he found several species of finches are adapted to different environmental niches. They have a different shape of the beak, food source they eat and the way they captured the food.
He observes that species vary from island to island, and based on these observations he gave the theory of natural selection.
