The best answer is C
Carrier and channel proteins are involved in facilitated diffusion.
A carrier protein is a transport protein that is specific to a particular type of ion, molecule or substance.
It is a special protein that binds to a molecule and carries the bound molecule across the cell membrane. The protein changes its shape so that it can fit into the channels that run through the membrane and then goes through the channel with its cargo.
A channel protein is a transport protein on the cell membrane and acts like a pore, allowing ions and small molecules to pass through more efficiently.
A would decrease the need for reproduction, so that's not it.
C wouldn't be helpful - less food wouldn't want you to produce more organisms, it would mean more competition for less food
D wouldn't be helpful, asexual reproduction creates a limited gene pool that is less likely to be resistant to diseases
So B is the answer, because the more of the species there are, the greater chance of survival.
What language is this? Can you translate it to English so I can try to help?
Denitrifying bacteria convert nitrate into <u>nitrogen gas</u>, thus returning nitrogen to the <u>atmosphere</u>.
Denitrifying bacteria- Numerous phyla are included in the broad class of bacteria known as denitrifying bacteria. This group of bacteria, which is a part of the nitrogen cycle, may carry out denitrification together with denitrifying fungi and archaea.
Phylum (Phyla)- In biology, a phylum is a rank or level of taxonomic categorization that comes after a kingdom but before a class. Although the nomenclature for algae, fungus, and plants is recognized by the International Code of Nomenclature as being equivalent, division rather than phylum has traditionally been used in botany.
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