It's actually A. Vertebrate have a hard out shell.
Answer:
b. cis test
Explanation:
A test that is used to determine if the mutation associated with a given phenotype is due to mutations in two different genes or due to different alleles of the same gene is called a complementation test.
A complementation test is also called as a cis-trans test.
If the mutations in a complementation test are located on the same position then the genes are termed as being on the cis position otherwise on the trans-position.
A cis test, that is if the genes are located on the same position serves as a control for the complementation test.
It smells like metal or burning steak
Answer:
<h3>The balance of nature is a theory that proposes that ecological systems are usually in a stable equilibrium or homeostasis,which is to say that a small change will be corrected by some negative feedback that will bring the parameter back to its original "point of balance" with the rest of the system.</h3>
Explanation:
<h3>I hope this will help you/helpful for you.</h3>
