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1. What is/are the main function(s) of blood in the circulatory system?

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1. What is/are the main function(s) of blood in the circulatory system?

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a. To deliver oxygen and nutrients, and transport waste away from the body cells
b. To provide a network of tubes in which fluids circulate
c. To serve as a pump to move fluid through blood vessels
d. All of the above

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2. In humans and other mammals, gas exchange occurs in which two locations?

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2. In humans and other mammals, gas exchange occurs in which two locations?

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a. Lungs and heart
b. oral cavity and body cell
c. Oral cavity and heart
d. lungs and body cells

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3. How are the Circulatory and Respiratory Systems related?

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3. How are the Circulatory and Respiratory Systems related?

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1. Which of the following is an example of an autotroph?

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1. Which of the following is an example of an autotroph?

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a. tree
b. dog
c. bird
d.elephant

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1). Which of the following Syndrome is a result of 3 chromosomes in the 21st set?

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1). Which of the following Syndrome is a result of 3 chromosomes in the 21st set?

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a). Patau's Syndrome
b). Down Syndrome
c). Turner's Syndrome
d). Edward's Syndrome

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a. Eubacteria, Archaea,                Cyanobacteria
b. Eubacteria, Animal and Archaea
c. Eubacteria, Archaea, Eukaryotes
d. Eubacteria, Archaebacteria, Eukaryotes

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3. The binomial system of classification was developed by:

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3. The binomial system of classification was developed by:

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a. Darwin
b. Wallace
c. Linnaeus
d. Malthus
e. none of the above

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1. What is the product of photosynthesis?

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1. What is the product of photosynthesis?

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a. Carbon dioxide and energy
b. Glucose and oxygen
c. Water and energy
d. Carbon dioxide and oxygen

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a. yeast
b. kelp
c. extreme thermophile
d. cyanobacteria

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4. Briefly explain 2 reasons of the importance of classification.

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4. Briefly explain 2 reasons of the importance of classification.

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5. How does bacteria become increasingly resistant to antibiotics?

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5. How does bacteria become increasingly resistant to antibiotics?

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6. What are the consequences of loss biodiversity? 

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6. What are the consequences of loss biodiversity? 

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a) the amount and variety of species in an ecosystem
b) the infrastructure in a geographic location
c) the variety of shapes and sizes in an ecosystem
d) don't know, don't care

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8. What is a phylogenetic tree based on?

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8. What is a phylogenetic tree based on?

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1.  a
2.  c
3.  c
3.5  b
7.c
Short answer
4. It is a way to identify living things and it helps us understand how living things may be related.
5. Within an area some bacteria will have a plamid that codes to be resistant. When antibiotics are introduced to the area, the bacteria that doesn't have the plasmid is more likely to die, making the population more resistant. (similar to the bottleneck effect) Bacteria becomes antibiotic resistant if it exposed to antibiotics and survives as a bacteria without the plasmid. This plasmid can be shared through sexual reproduction (Horizontal gene transfer)
6. Loss of biodiversity leads to a declined food supply.  Furthermore, economies that depend on importation of natural resources will be effected.
8. Morphology of the organisms

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2). What is the order of writing a phenotypic ratio for dihybrid crosses?

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2). What is the order of writing a phenotypic ratio for dihybrid crosses?

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4. The respiratory centre in the brain stem controls ventilation in which situation? 

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4. The respiratory centre in the brain stem controls ventilation in which situation? 

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a. Holding breath
b. talking
c. Normal Breathing
d. singing

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2. What is the role of dermal tissue in vascular plants?

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2. What is the role of dermal tissue in vascular plants?

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a. To transport water and nutrients
b. To perform cellular processes to support growth and development
c. To protect against injury, herbivores disease, and water loss
d. To carry out photosynthesis

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5. Whats another name for white blood cells?

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5. Whats another name for white blood cells?

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a. Plasma
b. Platelet
c. erythrocyte
d. Leukocyte

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1. A
2.
3. The circulatory system is responsible for the inhalation and exhalation of oxygen and carbon dioxide, respectively. The alveoli in the lungs perform gas exchange, during which carbon dioxide is expelled from the blood stream and oxygen is taken into the blood stream. The heart, in the circulatory system, is reponsible for both pumping non-oxygenated blood and oxygenated blood to the lungs for exhalation and from the lungs to the various parts of the body.
4. c
5. d

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1. Male peacocks have colourful tails to attract a mate while females are brown. Which type of selection has occurred?

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1. Male peacocks have colourful tails to attract a mate while females are brown. Which type of selection has occurred?

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a. directional selection
b. stabilizing selection
c. sexual selection
d. disruptive selection

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2. Explain the differences between natural and artificial selection.

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2. Explain the differences between natural and artificial selection.

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1. c
2. Natural selection is the process of evolution that favours the reproductive success of some individuals over others. Artificial selection is the directed breeding of individuals of favoured traits that are chosen as parents for the next generation.
3. Micro evolution: Evolution within a population as a result of adaption.
Macro evolution: Evolution which results in the formation of a new species.
4. a (gradualism)
5. d (none of the above)
6. e (all of the above)
7. (answers may vary) one example is fossils because they are evidence to the detailed change that has occurred over time. The types of fossils found show the type of environment and conditions our ancestors were living in. Fossils show the varying of bones in one species, animals or plants.

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a. Conifers
b. Monocots and eudicots
c. Club mosses and ferns
d. None of the above

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4. Where does most gas exchange take place in vascular plants?

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4. Where does most gas exchange take place in vascular plants?

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a. Stems
b. Leaves
c. Petals
d. Roots

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5. True or false? Epidermal cells contain chloroplast.

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5. True or false? Epidermal cells contain chloroplast.

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a. True
b. False

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6. True or False. Monocots have parallel venation. 

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6. True or False. Monocots have parallel venation. 

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a. True
b. False

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a. Upper and lower epidermis
b. the cuticle
c. palisade mesophyll
d. none of the above

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1. b
2. c
3. b
4. b
5. b
6. a
7. b
8. a
9. b
10. c
11. d
12. d
13. a
14. a

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a. have a thin epidermis and do not contain wood
b. have a hard stem
c. have a stem does not carry out photosynthesis
d. cannot be a monocot

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9. In eudicots, vascular bundles are ...

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9. In eudicots, vascular bundles are ...

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a. scattered around throughout the ground tissue
b. in a ring shape
c. run only through the leaves
d. none of the above

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10. An example of a type of xylem cell found in vascular plants is...

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10. An example of a type of xylem cell found in vascular plants is...

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a. sieve cells
b. sieve tube elements
c. tracheid
d. companion cells

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a. Fuel, textiles and dyes
b. Food and Medicine
c. none of the above
d. all of the above

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12. What type of vascular plant has a taproot system?

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12. What type of vascular plant has a taproot system?

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a. gymnosperms
b. angiosperm monocots
c. angiosperm eudicots
d. a and c

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13. True or False? Fibrous root system has roots that tend to be shallower. 

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13. True or False? Fibrous root system has roots that tend to be shallower. 

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a. True
b. False

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14. How do auxins and gybberellins affect a plant?

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14. How do auxins and gybberellins affect a plant?

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a. They induce cell elongation in many tissues
b. They induce cell division in many tissues
c. regulates fruit ripening and stress responses in many plants
d. does nothing

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	In relation to natural selection, evolution is the	A)	process	B)	outcome	C)	mechanism	D)	purpose

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	In relation to natural selection, evolution is the	A)	process	B)	outcome	C)	mechanism	D)	purpose

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answer is B, outcome

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3. What is the difference between micro and macro evolution. 

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3. What is the difference between micro and macro evolution. 

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4. The most prevalent form of evolution, and the one proposed by Darwin, is

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4. The most prevalent form of evolution, and the one proposed by Darwin, is

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a). gradualism
b). punctuated equilibrium
c). saltation
d). macroevolution

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5. Which of the following does not produce evolutionary change?

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5. Which of the following does not produce evolutionary change?

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a). gene flow
b). genetic drift
c). directional selection
d). none of the above

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3. What term refers to a chromosomal abnormality in which there are three homologous chromosomes in place of a homologous pair?

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3. What term refers to a chromosomal abnormality in which there are three homologous chromosomes in place of a homologous pair?

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a). Zygote
b). Trisomy
c). Monosomy
d). Tetrad

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4. Which term refers to non-sex chromosomes?

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4. Which term refers to non-sex chromosomes?

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a). Ova
b). Autosomes
c). Zygotes
d). Gametes

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1. b
2.Dominant-Dominant : Dominant-recessive : recessive-Dominant : recessive-recessive
3. b
4. b
5. d
6. a
7. Codominance is when both alleles are expressed fully to produce offspring with a third phenotype. Incomplete dominance is a case in which neither allele is dominant and thus, the alleles are both partially expressed in the offspring
8. The circulatory system allows blood to circulate and transport nutrients, oxygen, carbon dioxide, hormones and blood cell to and from the cells in the body to provide nourishment
9. Restriction enzymes cut DNA after recognizing a specific sequence of DNA. You can think of restriction enzymes as molecular scissors.

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5. Which term refers to a specific form of a gene?

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5. Which term refers to a specific form of a gene?

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a). Cross
b). Trait
c). Hybrid
d). Allele

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6. Which term refers to an individual's outward appearance with respect to a specific characteristic?

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6. Which term refers to an individual's outward appearance with respect to a specific characteristic?

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a). Phenotype
b). Heterozygous
c). Genotype
d). Homozygous

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7. What is the difference between codominance and incomplete dominance?

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7. What is the difference between codominance and incomplete dominance?

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6. Which of the following is/are key features of the theory of evolution? 

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6. Which of the following is/are key features of the theory of evolution? 

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a.) Each species produces more offspring than can survive
b.) Offspring compete with one another for limited resources
c.) Organisms in populations are genetically unique
d.) Offspring with the most favourable traits are the most likely to survive and pass on their genes
e.) All of the above

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7. What is one piece of evidence that supports the theory of evolution? Why? 

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7. What is one piece of evidence that supports the theory of evolution? Why? 

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In the linnaean system, which level of classification is Animalia an example of?

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In the linnaean system, which level of classification is Animalia an example of?

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a. class
b. kingdom
c. order
d. phylumb

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8. What is the function of the circulatory system?

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8. What is the function of the circulatory system?

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9. What is the function of restriction enzymes?

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9. What is the function of restriction enzymes?