Lesson 1; Origins of Evolutionary Theory.
1.) What was the original purpose of Darwins voyage on the H.M.S Beagle, and what was the
ultimate significance of the voyage?
The original intent of the voyage was to find evidence to support the biblical theory
Lesson 5; Meiosis
16. Describe two evolutionary consequences if the process of crossing over in meiosis ceased
to occur. (2 marks)
Cross over causes recombination of the genes, this along with other factors like mutations are
responsible for a larg
Key Questions Lesson 4
Name the reproductive isolating mechanism operating in each system below.
2. Describe the steps necessary for geogr
Key Questions Lesson 3
a) Explain how genetic drift can lead to a reduction in the genetic variation within a
There are two types of effects caused by genetic drift. These two effects can lead to a reduction in
the genetic variation within
Key Questions Lesson 12
a) Digestive: Colon Cancer (caused by diets high in fats), and Heartburn
b) Respiratory: Lung Cancer (caused by cigarette smoking), and Emphysema (inhaling tobacco smoke)
c) Circulatory: Atherosclerosis, and hypertension or hig
Key Questions Lesson 11
32. The pulmonary circuit is a low-pressure system where deoxygenated blood is carried away from the
heart, to the lungs, where gas exchange occurs, and oxygen filled blood is returned to the heart. The
systemic circuit is a high-p
Key Questions Lesson 20
A Glassy Sweeper
B Trumpet Fish
C Peacock Flounder
64. An animal with a segmented body have repeated identical or similar units, called segments. Example
of body segmentation include, the tw
Key Questions Lesson 14
Soil is a complex living community that is vital to the growth and development of plants. The organisms
that live in it, determine the nutrient and water availability for plants. A healthy soil ecosystem is able to
Key Questions Lesson 19
Ecological Role of Protists:
They form the base of aquatic food webs.
They contribute 50% of global carbon fixation.
And provide oxygen to aquatic environments.
Key Questions Lesson 18
56. The difference between these two situations is there replication cycles. The first situation uses the
lytic cycle to replicate the virus. In the lytic cycle the virus infects the cell, uses the cells energy to
Key Questions Lesson 15
45. Factors that are contributing to the decline of pollinator populations are habitat loss, fragmentation,
climate change, pesticides (insecticides), and deterioration.
46. Advantages of Vegetative Propagation:
It is an asexual pr
Key Questions Lesson 16
50. Four reasons plants are important:
Production of oxygen
Removal of carbon dioxide from the atmosphere
Habitat and food for various animals
a) The plant diversity in the area is increasing. In year 1, there w
Key Questions Lesson 13
a) A part of the epidermis called the cuticle.
b) Meristem tissue (apical meristem).
40. In temperate plants, the xylem vessels produced in the spring, when water is more plentiful, are
referred to as springwoo
Key Questions Lesson 5
16. Describe two evolutionary consequences if the process of crossing over in meiosis ceased to
If the process of crossing over in meiosis ceased to occur there would be less genetic variation within a
Key Questions Lesson 10
29. The atmospheric air we breathe in contains approximately 21% O 2 and 0.04% CO2. Since the O2 is
used to produce energy, and the CO2 is a waste by-product of producing energy, the air we breathe out
will contain less O2 and more
HRT3M World Religions
STUDYING THE WORLDS RELIGIONS
Basic Questions Asked by Religions
1. What is the human condition?
2. What is salvation?
3. What is our destiny?
4. What is right and wrong?
5. What is the nature of the world?
6. What is real?
7. What i
Key Questions Lesson 2
1. What role does the natural variation play in the process of natural selection and, ultimately,
Natural variation plays the role of providing different mutations to choose from allowing the
natural selection process to
Key Questions Lesson 9
4 large intestine
b) The main function of the large intestine is to reabsorb water and salts from the undigested material and
form solid waste that can be excreted. It is import
Key Questions Lesson 1
1. What was the original purpose of Darwins voyage on the H.M.S Beagle, and what was the
ultimate significance of the voyage?
The original purpose of Darwins voyage on the H.M.S Beagle was to observe, record, and collect
Key Question Lesson 7
Color blind father (XcY) x homozygous normal vision mother (XCXC)
2 XCXc: 2 XCY
For a ratio of 1XCXc: 1 XCY
2 normal females: 2 n
Key Questions Lesson 6
Heterozygous round (Rr) x wrinkled (rr)
Rr x rr
The genotypes of the offspring are:
50% chance of Rr and 50% chance of rr
2 round: 2 wrinkled
Key Questions Lesson 8
The use of patented sequences could bring millions of dollars to private biotech companies. These
companies deserve to have it since they have invested millions in the Human Genome Project.
Other private companies or rese