1. Which of the following would affect the flow of energy through an ecosystem most ?
a. Removal of top carnivore.
b. Addition of detritivore.
c. Removal of primary producer.
d. Addition of primary consumer.
2. Natural selection can cause evolution. Environmental factors such as _______ can be agents of natural selection. Select all that apply.
a. Habitat loss
b. Climate change
c. Pollution
d. Introduction of non-native species
3. DNA codes for _______.
a. Carbohydrates
b. Organelles
c. Proteins
d. Phospholipids
4. Heredity is the passing of traits from parents to offspring. The molecule responsible for heredity is
_____________.
a. Carbohydrates
b. Organelles
c. Deoxyribonucleic Acid
d. Phospholipids
5. One organisms consumes another in order to obtain energy. This relationship illustrates:
a. Symbiosis
b. Predator / Prey
c. Parasitism
d. Mutualism
6. One organism lives inside another, usually causing harm to the host. This relationship illustrates:
a. Parasitism
b. Predator/Prey
c. Commensalism
d. Mutualism
7. Birds often follow herds of grazing cows waiting for the cows to stir up bugs and worms. This relationship illustrates: a. Parasitism
b. Predator/Prey
c. Commensalism
d. Mutualism
8. Ants like to eat sweet nectar provided by aphids. In turn, the ants provide protection for the aphids. This relationship illustrates:
a. Parasitism
b. Predator/Prey
c. Commensalism
d. Mutualism
9. DNA polymerases work to proofread DNA after it has been built. However, outside sources can cause mutations as well. Examples of outside sources of mutation do
NOT
include:
a. Heat
b. Radiation
c. Toxic chemicals
d. Extreme cold
e. Extreme heat
10. If DNA has been mutated, what else will not function properly?
a. Carbohydrates
b. Lipids
c. Proteins
11. Why do individual phenotypes vary within a population? Select all that apply.
a. Individuals want to be different.
b. Different phenotypes provide different advantages for survival and reproduction.
c. Random mutations result in genetic variation.
d. There is no variation of phenotypes.
12. Why do giraffes have long necks or jack rabbits have long ears?
a. They needed them so they grew them.
b. These adaptations make them stick out to predators.
c. So they have different phenotypes.
d. These are random mutations that are favored by natural selection.
13. Water is important to cells. Why?
a. It is a buffer for body temperature (a point of homeostasis).
b. It provides a soluble environment for chemical reactions.
c. It serves as a reactant in chemical reactions.
d. It provides hydration that maintains cell turgidity.
e. It maintains protein shape.
f. All of the above (Be able to explain each of the above).
14. If a somatic cell containing 20 chromosomes undergoes meiosis to create gametes, each gamete will contain how many chromosomes?
a. Gametes will be diploid: 10 chromosomes each.
b. Gametes will be haploid: 20 chromosomes each.
c. Gametes will be haploid: 10 chromosomes each
d. Gametes will be diploid: 20 chromosomes each.
15. The same somatic cell from question 14 undergoes mitosis twice. How many chromosomes will the daughter cells have?
a. Daughter cells will be diploid: 10 chromosomes each.
b. Daughter cells will be haploid: 20 chromosomes each.
c. Daughter cells will be haploid: 10 chromosomes each
d. Daughter cells will be diploid: 20 chromosomes each.
16. Indicate how the rate of a chemical reaction, including photosynthesis or cellular respiration, would be changed with the following: (Answer “faster” or “slower” for each letter)
a. Higher volume of reactants
b. Decreased temperature
c. Less available enzymes or light
17. How are photosynthesis and cellular respiration related?
Series Functions Absences / Lates: If you are absent or late for class, it is your responsibility to obtain any work or notes that have been missed. This needs to be done ASAP. If you miss a quiz or a test, see me on the first day that you are back to school to make it up. Students who return without a note will not be permitted to write missed tests, and will receive a zero. If you are late for class, please stand outside the door and wait for me to let you in the classroom. While outside…
upon in project execution and how to prioritize the issues that surface every step of the way, until the project is completed. The benefits of embedding project risk management are specific and measurable. The PMO can reduce budget overruns and missed deadlines--their biggest concerns--if uncertain project events are dealt with in a proactive manner, directly translating to the organization's bottom line. Helping the PMO to formalize their risk management practices dramatically reduces the team's…
recent years, the amount of missed and blown calls coming from umpires in Major League Baseball has increased. It has increased so much that the idea of incorporating instant replay has been brought up and put into discussion. In the past year the state of umpiring has never been worse (Weber). This is why MLB commissioner Bud Selig said he would examine umpiring and replay (Weber). This topic is an ongoing discussion that is talked about frequently because a few missed calls have lost games for teams…
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life I have been getting ill frequently. When possible, I got a doctors note to excuse those. All other absences were military related and unavoidable. Having provided all documentation to excuse a few absences, my attendance was not so bad. I am proud of myself for being able to wake up at the crack of dawn and go to school when I really, really wanted to sleep in after a long night at work. As for doing my assignments and turning them in on time I have never missed a beat. Since the very beginning…
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included sitting in front of the classroom. Here, one has a front and center seat in order to hear and focus without getting distracted. Recording lectures is a great way not to miss any information given by instructors. It is amazing how much is missed until listening over a recorded lecture and hearing something that was never heard the first time. Recording is a great way to go over a part of the lecture that was not understood the first time it was explained. This writer recalls remembering…
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