2. What stabilizes a population at it's carrying capacity?
population density (incorrect, population density is the number of individuals within a population per unit area)
1. The title of the video I watched was called Cowspiracy.
2. I found this documentary on Netflix.
3. Chapter 7 briefly discusses agriculture and farming and its affect on the
world. But it does not discuss
Asexual vs. Sexual Reproduction
While asexual reproduction only involves one organism, sexual reproduction requires
both a male and a female. Some plants and unicellular organisms reproduce asexually.
Most mammals and fish use sexual reproduction. Some or
Dominant vs. Recessive
Genes determine traits, or characteristics, such as eye, skin, or hair color, of all
sexually-reproducing species. Each gene consists of two alleles: one comes from the
mother and one from the father. Some alleles are dominant, mean
Fraternal Twins vs. Identical Twins
Fraternal twins are dizygotic, meaning that they developed from two different eggs
fertilized by two different sperm cells, while identical twins are monozygotic i.e.,
they developed from a single fertilized egg that sp
Allele vs. Gene
A gene is a stretch of DNA or RNA that determines a certain trait. Genes mutate and
can take two or more alternative forms; an allele is one of these forms of a gene. For
example, the gene for eye color has several variations (alleles) suc
The Stress and Psoriasis Connection
Psoriasis is a chronic, inflammatory skin condition characterized by red, scaly plaques.
Common areas where people will have psoriatic lesions include their elbows, knees, trunk,
and scalp. Stress and psoriasis seem to
100 Chapter 7 Class Prep
the action or process of fertilizing an egg, female animal, or plant, involving the
fusion of male and female gametes to form a zygote.
one of two or more alternative forms of a gene that arise by mutat
Nature vs nurture
The nature versus nurture debate is about the relative influence of an individual's
innate attributes as opposed to the experiences from the environment one is brought
up in, in determining individual differences in physical and behavior
DNA mates: how genetic factors may play a subtle part in our friendships
Humans share biological markers with friends much as we do with extended family
members, says a scientific study
Friends often look alike. The tendency of people to forge friendships
Left Brain vs. Right Brain
Left-brained people are supposed to be logical, analytical, and methodical, while rightbrainedpeople are supposed to be creative, disorganized, and artistic. But this leftbrain / right-brain theory has been refuted by a large-sc
Genotype vs. Phenotype
The genotype of an organism is the genetic code in its cells. This genetic constitution of an
individual influences but is not solely responsible for many of its traits.
The phenotype is the visible or expressed trait, such as hair
100 Chapter 6 Class Prep
a disease caused by an uncontrolled division of abnormal cells in a part of the
2. Cell division
The process in which the parent cell divides, eventually giving rise to new daughter
an abnormal beni
In every cell in the human body there is a nucleus, where genetic material is stored in
genes. Genes carry the codes responsible for all of our inherited traits and are grouped
along rod-like structures called chromosomes. Typically, the nuc
Turner syndrome is a chromosomal disorder that affects only females. It involves a lack of
part or all of a second sex chromosome in some or all cells. Girls are often short in stature,
and they may have some emotional and learning difficu
Klinefelter syndrome is a chromosomal condition that affects male physical and cognitive
development. Its signs and symptoms vary among affected individuals.
Affected individuals typically have small testes that do not produce as much
Cancer is one of the most important non-infectious or non-communicable diseases.
Cancer is referred to as an ailment characterised by an unrestrained growth of abnormal
cells which if untreated and unchecked eventually kills the patient.
In India n
1. As a cell grows, what happens to the ratio of surface area to volume? How does
this affect the cell?
the surface are increases faster than the volume, which can cause the cell to
develop a surface area too small to transport adequate amounts of nutrien
The Fossil Records and
Theories of Evolution.
In general, the term 'evolution' can imply a drastic or gradual change from a very broad
perspective. Life on earth, the universe,galaxies, as also the earth in general have evolved
1. Define the following
A chloroplast is a structure in a plant cell that contains large amounts of chlorophyll.
Chloroplasts play a key role in the process of photosynthesis and convert light energy from
the sun into chemical energy (carboh
Compare mitosis and meiosis
Comparison of mitosis and meiosis is a common task for almost all biology classes. Perhaps the
reason for such an activity is to better understand these processed and to be able to tell them apart.
Not only the names of process
Lesson 8: Carbohydrates & Cellular Energy
D2L Lesson: None
Video: YouTube tutorial Carbohydrates by Paul Anderson: https:/youtu.be/_zm_DyD6FJ0 and
University of Utah sponsored tutorial titled Carbon Oxidation:
Lesson 2: Chemistry
D2L Lesson: None
Reading: Textbook Chapter 2 The Chemical Basis of Life
Directions: Please read the assigned pages and watch the assigned video for this unit while
taking notes. This study guide highlights key concepts
Lesson 3: Prokaryotes v. Eukaryotes
D2L Lesson: None
Video: Biology: Cell Structure by Nucleus Medical Media https:/youtu.be/URUJD5NEXC8
Reading: Textbook Chapter 4, A Tour of the Cell
Directions: Please read the assigned pages and watch the assigne
Lesson 1: Core Concepts for Biology Literacy
D2L Lessons: What is Science?, Steps in an Experiment, and Diversity of Life
Video: Learning to Think Like a Scientist by PCC Prof. Mike Tveten https:/youtu.be/2bsR8tkQxb8
Reading: Textbook Chapter 1 Bi
Lesson 7: Protein & Enzyme
D2L Lesson: None
Video: Two YouTube tutorials by Paul Anderson:
Proteins explains how a proteins shape determines its function: https:/youtu.be/2Jgb_DpaQhM
Enzymes explains how enzymes work:
Reading: Textbook Chapter 3.11-