Answer:
A selective pressure is any reason for organisms with certain phenotypes to have either a survival benefit or disadvantage.
Explanation:
Answer:
DNA
Explanation:
DNA is a nucleic acid. It is a polymer of deoxyribonucleotides that are bonded together by phosphodiester bond to make long DNA strands. DNA is the most stable biomolecule in the history of life on earth and continues to serve to store the genetic information of living beings. Several species-specific sequences are DNA are conserved during evolution. This makes the DNA the best molecule to store any valuable information.
RNA is comparatively more reactive and prone to mutations due to the presence of ribose sugar and uracil base in it. The structure of a protein is determined by DNA nucleotide sequences. Any change in DNA would also change the structure of a protein.
Answer:
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Explanation:
wolfs play a key role in keeping ecosystem healthy the Caracesess of their prey also help redistribute nutrients and provide food for other wildlife species like, grizzly bears and scavengers..
The role of a pioneer species in primary succession is to normalize the habitat by making the topsoil more stable and fertile. Explanation; -In primary succession pioneer species like lichen, algae and fungi as well as other abiotic factors like wind and water start to normalize the habitat.
Answer:
b. Increased activity of GABA neurons is the correct answer.
Explanation:
The ultimate result of benzodiazepines in the brain is it Increased activity of GABA neurons.
Benzodiazepines work by enhancing the impact of a brain chemical called gamma-aminobutyric acid.
Benzodiazepines work by reducing the nerve activity within the brain and rest of a central nervous system.
When GABA attach to a protein present in your brain called GABA receptor it produces a calming effect and it helps with a feeling of stress, fear, and anxiety and also prevents seizures.
