Sara wants to see if a new brand of hair dye lasts longer than the brand she currently uses. She puts the new hair dye on the left side of her head and the old brand on her right side. After 2 weeks she observes which side of her head has more gray hair showing through.

Q: What is humification?

A: Decomposition is a biological process which involves the breakdown of complex organic matter into…

Q: (a) Is this an experiment, a retrospective observational study, or a prospective observational…

A: Experimental study It is the randomized study where researcher study the effect after introducing an…

Q: You are starting a dairy farm and have read that dairy cows make more milk when they are relaxed.…

A: The objective of this question is to design a controlled experiment to test the hypothesis that…

Q: In one twin study investigating the genetics of addiction, 41% of monozygotic twins both exhibited…

A: Twin studies explore the roles and interrelationship of genetic and environmental risk factors in…

Q: What is inheritable mutation?

A: A mutation is a sudden change in the sequence of DNA.

Q: A researcher has designed a card choice task to better understand altered decision making in a group…

A: Damage to their ventromedial prefrontal cortex can lead to significant changes in their behavior.…

Q: How are comunities distinguished?

A: A place where biotic as well as abiotic factors live together in harmony and interact with each…

Q: (d) Describe a theory of ventromedial prefrontal cortex function that can account for this pattern…

A: Ventromedial Prefrontal Cortex --- The prefrontal Cortex is a part of brain located at the front of…

Q: Does the following statement support that alcoholism is genetic? "Biological sons of alcoholic men…

A: Alcoholism is the most serious form of problem drinking and describes a strong, often…

Q: How is phenotype in a body controlled?

A: Phenotype is the sum of an organism's observable physical, biochemical characteristics and traits. ,…

Q: How does epigenetics relate to physiology

A: Epigenetics  It is the study of changes in gene expression that are not caused by alterations in the…

Q: What is place theory?

A: The sense organs are the extension of the nervous system. Thye help to perceive the internal and…

Q: From the diagram: 1. Is A responding variable? 2. Is B manipulated variable? 3. Is C controlled…

A: In experiments, scientists controls the variables present in the experiment as without controlling…

Q: What is Centrioles in biology?

A: Eukaryotic cells are contain a organelles and a nucleus and are enclosed by a plasma membrane.…

Q: What is the K-T Boundary?

A: This boundary is a geological signature,  usually a thin band of rock. This boundary basically marks…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.