Lecture Notes ISCI 173 || POSSIBLE QUESTIONS WITH 100% VERIFIED ANSWERS.
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Course
ISCI 173
Institution
ISCI 173
Biology: correct answers the study of life
Characteristics of life correct answers reproduction, heredity, growth and development, homeostasis, response to environment, metabolism, cellular structure
Reproduction: correct answers all organisms produce new individual organisms sexually or asex...
Lecture Notes ISCI 173 || POSSIBLE QUESTIONS WITH
100% VERIFIED ANSWERS.
Biology: correct answers the study of life
Characteristics of life correct answers reproduction, heredity, growth and development,
homeostasis, response to environment, metabolism, cellular structure
Reproduction: correct answers all organisms produce new individual organisms sexually or
asexually
Heredity: correct answers - Living organisms pass on their traits via genetic material
(individuals with variant traits that increase their success are more likely to pass their genes
on to offspring)
- The transmission of traits from one generation to the next
Growth and Development: correct answers genetic information controls progressive changes
in size, shape, and function during the life of an organism
Homeostasis: correct answers the state of steady internal, physical, and chemical conditions
maintained by living systems
Response to Environment: correct answers living organisms respond to stimuli in their
respective environment
Cellular Structure: correct answers living organisms are comprised of cells - from a single
cell (unicellular) to many more (multicellular)
Science: correct answers our knowledge of the natural world and the process through which
that knowledge is built
Nature of Science: correct answers key principles and ideas which provide a description of
science as a way of knowing, as well as characteristics of scientific knowledge
Tenets of NOS: correct answers 1. Science is a process, not a universal method
2. Science is creative
3. Science is collaborative
4. Science is based on empirical evidence
5. Science is tentative
6. Science can be theory-laden (subjective)
7. Theories and laws
8. Science is socially and culturally situated
9. Observations and predictions
Observation: correct answers relies on the collection of data
Scientific Observation: correct answers refined, systematic skill (quantitative and qualitative)
Prediction: correct answers the act of reasoning about the future based on past experiences
,Tentativeness: correct answers based on empirical evidence, scientific knowledge is
simultaneously reliable and tentative
Theory Laden: correct answers personal values, beliefs, intuition, academic training,
experiences and expectations affect the types of questions scientists ask, the way they
conduct their work, and how they interpret data
Creativity: correct answers serves as the basis and inspiration for science
Socially/Culturally Embedded: correct answers science is practiced in the context of culture
at large
Science Checklist: correct answers 1. Focuses on the natural world
2. Aims to explain the natural world
3. Uses testable ideas
4. Relies on evidence
5. Involves the scientific community
Scientific questions... correct answers have to be testable and falsifiable
Hypothesis: correct answers proposed explanation for sets of observations
The process of science relies on.... correct answers the testing of ideas with evidence gathered
from the natural world
Key Points of NOS: correct answers - the process of science is non-linear, unpredictable, and
on going
- testing ideas is at the core of science
- many hypothesis may be tested multiple times against multiple lines of evidence
Genetic Diversity: correct answers the total genetic information contained within all
individuals of a species, population or community
Species Diversity: correct answers the diversity of species present in a community
Ecosystem Diversity: correct answers measure of the variety of biotic component in a region
along with abiotic components
System Stability: correct answers diverse systems are more resilient (speed of recovery after
disturbance) and resistant (ability to absorb disturbances while retaining function)
Ecosystem Productivity: correct answers diverse systems have higher net primary
productivity
Ecosystem Services: correct answers all direct and indirect benefits that humans derive from
organisms and ecosystems
Existence Value: correct answers economic value of a system and our willingness to mitigate
biodiversity loss
, Taxonomy: correct answers The identification, naming, and classification of species
Taxonomic Hierarchy: correct answers - an ordered series of progressively smaller categories
- demonstrates evolutionary relationships and can be used for identifying organisms
Phylogenetic Tree: correct answers - one way to reflect evolutionary history of organisms
- depicts a hypothesis to the relatedness of different taxa or species
Modern Tenets of Cell Theory: correct answers 1. All organisms are made of cells
2. The cells is the basic unit of structure and organization that performs (all) life functions
3. Cells are derived from pre-existing cells
Prokaryote: correct answers - Unicellular
- No nucleus
- No membrane bound organelles
- Small, simple cells
- One strand of DNA per cell
- Bacteria
Eukaryote: correct answers - Unicellular or multicellular
- Nucleus
- Membrane bound organelles
- Larger, complex cells
- Multiple strands of DNA per cell
- Protists, fungi, plants, animals
Similarities between Prokaryotes and Eurkaryotes: correct answers - Genetic material
- Cell membrane
- Cytosol
- Ribosomes
- All four organic molecules
- Similar reactions for storing energy and metabolic activities (protein synthesis)
PMCC Model - Four Interconnected Features: correct answers Program, Metabolism,
Container, Chemistry
Program: correct answers This includes a way to encode instructions for building the life
form, a way to read those instructions, and a way to replicate them to make more living
things
Metabolism: correct answers Mainly, this is a way to capture and use energy. It can also
include using raw materials to build molecules that the life form needs
Container: correct answers This is a barrier that keeps the life forms separate from its
environment. Often, the container selectively lets things in and out
Chemistry: correct answers Common molecules serve as the building blocks of life for
structure and energy
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