Explanation: The biological fitness of an organism is dependent on its ability to survive and reproduce in a given environment. A trait that increases ability to survive, but makes an individual sterile, decreases fitness because the organism cannot produce offspring to carry on the trait.
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B. A sunflower in a sunny meadow
Answer: Research with embryonic stem cells may lead to new, more effective treatments for serious human ailments and alleviate the suffering of thousands of people.
Explanation:
Answer:
The correct answer is the neurotoxin known as tetanospasmin toxin.
Explanation:
Tetanus is a disease caused by a bacteria known as clostridium. The bacteria are found in soil, manure, dust, and saliva. It can enter the host body by a cut or rusted or dusty nail or burn. It causes muscle spasm or jaw locking or bone locking.
It releases the neurotoxin that is tetanospasmin toxin that inhibits the secretion of γ-aminobutyric acid (GABA) and results in a variety of symptoms associated with tetanus.
Thus, the correct answer is the neurotoxin known as tetanospasmin toxin.
The best answer should be
D) Food component that can be stored in the body for future energy needs
