Answer
Option B. This mutation will increase the sensitivity of the DPH receptor to voltage changes, which will induce continued muscle contraction.
Explanation:
Since the receptor stays open, it allows for calcium to be released from the sarcoplasmic reticulum and thus, enables muscle contraction to take place.
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Solution:
In phylogenetic inference, an evolutionary novelty (or derived character) is referred to as Plesiomorphy
Relating to or denoting the process by which different kinds of living organisms are believed to have developed from earlier forms during the history of the earth.
Thus this is the required answer.
Answer:
Insecticide DDT(dichlorodiphenyltrichloroethane) have a very harmful effect on the stimuli because it can not be broken down by decomposers such as bacteria and fungi and remain on the surface for a long period of time.
Explanation:
This insecticide is used for controlling pest population in the field but now it is banned around the world due to its harmful effects on humans and other living organisms. This chemical is non biodegradable i. e. cannot be decompose into simpler substances by the action of bacteria and fungi and causes chronic diseases in humans.
B. the fish gets things from the larger animal but the larger animal doesn't get anything from the fish.
