Answer:
frog
Explanation:
frogs live their first part of their lives in water so they need gills but after metamorphosis they live on land so they need lungs.
<h2>Answer and Explanation </h2>
The genetic recombination is a biological process in which the recombination of homologous DNA strand occurs. There are three types of genetic recombination in human being that is :
Human Reproducation that is by introducing new gene combination to the population.
By cell Mutation is it that is changes in the DNA.
By Gene flow it is that is by movement of a gene from one population to another population.
The answer is No. <span>When sodium ions enter the cell, water does not exit to maintain fluid balance. I</span>f extra sodium ions entered the cell, then extra water must be given to keep the same density. Water does not exit, it must be added.
I think it is C as plants take in Co2 and release oxygen which humans use to breathe.
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