Answer:
Hierrachy or level of organisation in human being refers to the arrangement of biological structures from simplest to most complex.
The order of pyramid tiers are:
Cells- tissues- organs- systems- organisms.
Explanation:
Hierrachy refers the order arrangement of biological
structures from simplest to complex.
Cells refer to basic unit of life.
Tissues comprises of cells which perform specific functions. E.g epithelial tissues.
Organs refers to several tissues that join to form organs. E.g Heart, lungs.
Systems comprises of several organs. E.g digestive system.
Organisms are comprises of many body systems.
Answer:
Option d) social problem solving
Explanation:
Psychologist define learning capacity of child by the use of small set of process including observational skills, problem solving skill, conditioning and other reflexes. According to psychologist a child having ability to solve a problem indicates that child has developed in-cognitive abilities well and his brain capability is higher than non-problem solving children.
Answer:
a) Astrocytes
Explanation:
The astrocytes are components of the central nervous system that provide the necessary supports that the brain needs to perform vital tasks such as learning and other daily activities. They are typical cell types in the central nervous system that aid blood flow in the brain as well as the migration of neurons.
Oxygen's valence, based on the Number of valence electrons or outermost electrons that oxygen has would be 6.
Answer:
it might be D.
Explanation:
I honestly am going off of what I can remember in school.