The amphibians were the truly terrestrial vertebrates. They are often described as fish with legs who eventually became reptiles. The reason for this evolution can be credited to the evolution of plans from a group of green algae called the Cambrian Explosion.
Answer:
For the 1st one it's Jet streams and the 2nd one is South
Answer:
Botulinum toxin
Explanation:
Botulinum toxin is known to hinder the release of acetylcholine into the synaptic cleft at the neuromuscular junction.
This leads to acetylcholine not attaching to its receptors and eventually leading to the inability to have muscle contractions.
Hence, in this case, the correct answer is Botulinum toxin prevents acetylcholine from accumulating in the neuromuscular junction in individuals.
A Non-mutagenic factor listed in the options is : ( B ) Drinking water
<h3>Mutagenic factor </h3>
Mutagenic factors are chemical elements or various forms of radiations such as X-rays, UV rays, Sun rays, which may cause a permanent and heritable changes ( mutations ) in the DNA, when exposed to these mutagenic factors.
Hence we can conclude that a Non-mutagenic factor is Drinking water
Learn more about Mutagenic factor : brainly.com/question/1866437
The phenotype of an organism is determined by which genotype their chromosomes possess for a specific trait.