Motor neurons are involved in the skeletal muscle contractions in vertebrates, as the process is a synaptic one. These occur due to a conscious effort by the brain, from which these signals originate. In some reflexes, the signal originates from the spinal cord.
Answer:
Annelida.
Explanation:
The non chordate organisms are classified into 10 different phylum. These organisms are classified into different phylum by looking at the similarities and differences shown by the organism.
The organisms that are involved in the phylum annelids shows the distinguish characteristics of the organisms of other phylum. The organism shows closed circulatory system, body is segmented and no mantle cavity is present. They are true coelomic animal, shows protostomic development in which mouth develops first and anus later. They have appendages that are not jointed with each other.
Thus, the correct answer is option (d).
Answer:
Amino acid sequence and local low energy chemical bond between atom in both the polypeptides back bone and in animo acid side chain's
Explanation:
Protein structure plays key role in its function. If a protein loses it Shape at any structure level , it may no be functional
Answer:
A ^^
Explanation:
Fluctuations in the phosphorus cycle in aquatic ecosystems a. can lead to changes in the growth rates of aquatic populations The increase in phosporus amount in the aquatic ecosystem will increase the amount of algae within that ecosystem. When the amount of algae is increased, the aquatic organisms will have a LOT of food source which will increase the growth rate within their population.
