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Name _____________________________________Date___________________Period______ _______ Unit 1: Practice Exam and Review 1.1: Organization and Characteristics of Life 1. Which of the following is the correct order for the organization of life? a. Ecosystems → communities → populations → organisms → organs → organ systems → tissues → cells b. Cells → tissues → organs → organisms → organ systems → populations → communities → ecosystems c. Ecosystems → communities → populations → organisms → organs → organ systems → cells → tissues d. Cells → tissues → organs → organ systems → organisms → populations → communities → ecosystems 2. Which of the following is an example of a community? a. b. c. d. 3. Emily is looking at a picture of deer. All the deer together make a _______________. a. population b. organism c. ecosystem d. community 4. Which of the following is an abiotic component of a desert in California? a. cacti b. windmills c. dead scorpion d. horned lizard
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Name _____________________________________Date___________________Period_____________

Unit 1: Practice Exam and Review 1.1: Organization and Characteristics of Life

1. Which of the following is the correct order for the organization of life? a. Ecosystems → communities → populations → organisms → organs → organ systems → tissues → cellsb. Cells → tissues → organs → organisms → organ systems → populations → communities → ecosystemsc. Ecosystems → communities → populations → organisms → organs → organ systems → cells → tissuesd. Cells → tissues → organs → organ systems → organisms → populations → communities → ecosystems

2. Which of the following is an example of a community? a. b. c. d.

3. Emily is looking at a picture of deer. All the deer together make a _______________. a. population b. organismc. ecosystem d. community

4. Which of the following is an abiotic component of a desert in California?a. cactib. windmillsc. dead scorpiond. horned lizard

5. Every species has a role that it plays in nature. That role is defined by a combination of the organism's behaviors, habitat, and interaction with other species. For example, a garden spider is a predator that hunts for prey among plants, while an oak tree grows to dominate a forest canopy, turning sunlight into food. The oak tree provides the food and protection in the canopy. This is its _____________.

a. speciesb. habitatc. ecosystem d. niche

6. Last year you caught the flu during flu season. Flu season is coming up again and your doctor recommends you get the new flu shot. Why does your doctor recommend this?

a. Because the flu is strong. b. Because the flu is a virus made up of DNA. c. Because the flu can make you sick.d. Because the flu virus has adapted and changed from the strain last year.

7. What is commonly known as the smallest abiotic unit? ATOM8. What is commonly known as the smallest biotic unit? CELL

9. Compare and contrast a niche and a habitat. A habitat is the home or ecosystem that an organism lives in whereas a niche is all of the ways an organism uses

and interacts with its ecosystem.

1.2 Energy Flow through Ecosystems Quiz

1) Which of following organisms are decomposers? a) Fungi and Worms b) Coyotes and Foxes c) Robins and Vultures d) Venus Fly Traps and Orchids

2) Which organism is an herbivore in the diagram above? a) Grasses b) Rabbit c) Snake d) Mouse

3) Which organism is an autotroph in the diagram above? a) Grasses b) Rabbit c) Snake d) Mouse

4) Which organism is an omnivore in the diagram above? a) Grasses b) Rabbit c) Snake d) Mouse

5) A Heterotroph is and organism that a) obtains energy by consuming other organisms. b) obtains energy by consuming plants.c) obtains energy by hunting other animals. d) obtains energy by converting sunlight, water and carbon dioxide into sugars.

6) Another word for a producer is a) consumer b) autotroph c) user d) heterotroph

7) 90% of the energy in each trophic level is lost from the food web in which form(s)? a) Heat from burning calories b) Bones, feathers and fur

c) Stored fatd) Both a and b

A group of students conduct field research at school by counting the number of organisms in 12, 1x1 meter plots around the schoolyard. Their hypothesis was; If we count the number of organisms in the school’s habitat, then we expect there to be more producers than consumers. Their data is as follows :

Number of Different Species

Total number observed

Plants 8 1285

Birds 2 7

Mammals 1 1

Reptiles and Amphibians 1 4

Insects and spiders 3 873

Total in schoolyard 15 2170

8) What should the students’ conclusion be?a) They should accept their hypothesis because there were less plants. b) They should reject their hypothesis because there are more plants. c) They should accept their hypothesis because they counted more producers than consumers. d) They should reject their hypothesis because they probably counted wrong.

9) Which level contains herbivores? a) producers b) primary consumers c) secondary consumers d) tertiary consumers

10) If the rabbits have 2000 kcal of energy, how much will be lost and unavailable to the snake? a) 9000 kcal b) 180 kcal c) 200 kcal d) 1800 kca

11) If plants produce 20,000 kcal of energy, how much is passed on to the hawks? a) 2 kcal b) 180 kcal c) 200 kcal d) 20 kcal

1.3 Ecological Relationships

1. The chinstrap penguin is a species of penguin which inhabits a variety of islands and shores in the Southern Pacific and the Antarctic Ocean. The shore can be a dangerous place with the waves crushing along the sides of the island. The penguins must face the harsh waters when they dive in, in search of fish. The waves are an example of what kind of environmental factor?

a. Bioticb. Abioticc. Symbiosisd. Competition

2. Everything on the islands has to compete for space and food. The male Pygmy three-toed sloth searches for a mate by responding to her calls and swimming towards her. Other male Pygmy three-toed sloths also hear the call, and will compete to be the first to reach the potential mate. This is an example of:

a. Mutualismb. Commensalismc. Intraspecific Competitiond. Interspecific Competition

3. The iguanas help other animals on the island to survive by bringing nutrients from the sea to the land. Crabs feed on the dead skin and nutrients on the iguanas’ back, and in turn, provide a welcome exfoliation service. Both organisms benefit from this relationship. This is an example of what kind of relationship?

a. Mutualismb. Commensalismc. Invasive Speciesd. Parasitism

4. The yellow crazy ants on Christmas Island were brought on ships and invaded the island. They are not native to Christmas Island. They attack crabs, squirting acid into their eyes and mouths as they try to defend the territory that they both compete for. Which of the following terms best describes this example?

a. Mutualismb. Commensalismc. Interspecific competition

d. Intraspecific competition

5. Fairy terns live on islands and use the trees on the island to nest with their eggs. Rather than constructing a nest, they use trees that have a cavity or gap in which they can put their egg in. The fairy terns benefit from the tree, but the trees are not affected from the birds. Which of the following terms best describes this example?

a. Mutualismb. Commensalismc. Invasive Speciesd. Parasitism

6. Mistletoe is a plant that attaches itself to a tree or shrub by a structure called a haustorium, which it uses to extract water and nutrients from the tree or shrub. Which of the following best describes this example?

a. Mutualismb. Commensalismc. Invasive Speciesd. Parasitism

7. When a small number of wolves were reintroduced to Yellowstone National Park, they preyed upon the deer population. This reduction in deer population allowed many plants to grow back, which allowed many mice, weasels, snakes, and songbirds to move back into the park. The wolves were small in number, but had an enormous impact on the environment to help increase biodiversity. Wolves in Yellowstone National Park are an example of a

a. Pioneer speciesb. Succession speciesc. Keystone speciesd. Climax community

8. Which of the following graphs would be a population undergoing exponential growth that has no limiting factors controlling the population’s size?

9. Which of the following graphs would be a population reaching its carrying capacity?

d.c.b.a.

d.c.b.a.

Mistletoe growing on a host

10. Which of the following is an example of a limiting factor on a population?a. Food Supplyb. Matesc. Spaced. all of the above

Please use the following graph for questions 11-12.

11. During days 11 - 15, which of the following statements is true?a. The population is decreasing in sizeb. The birth rate is greater than the death ratec. The emigration rate (how many leave) is much higher than the immigration rate (how many come)d. The population increases, but at a very slow rate

12. What is the carrying capacity of Species 5?a. 500b. 1000c. 1500d. 2000

13. Based on the graph, which of the following is a possible explanation for day 23 – 35?a. An equal number of deaths and birthsb. An unequal number of deaths and births

c. An equal number of immigrants and birthsd. An equal number of emigrants and deaths

Use the following data table to answer the question below.

Year Sea-Going Iguana Population Racer Snake Population2001 200 3202002 220 5002003 520 1202004 830 1002005 640 1302006 680 3602007 630 1502008 150 1202009 360 602010 900 802011 780 6502012 400 300

14. Which of the following best represents the data between the predator and the prey in the table above?

15. An invasive speciesa. lives in an area it is native to. b. does not interact with the other organisms in the ecosystem. c. causes problems to the organisms and environment which it inhabits. d. Is an example of overexploitation.

16. While hamsters are thought to be only domesticated pet animals, the wild hamster was discovered in Syria in 1797. During a 1930 expedition, zoologist Israel Aharoni captured a golden hamster and brought it back to Hebrew

d. c.

b. a.

University. From there the hamsters quickly multiplied and soon found themselves in universities, zoos, and eventually homes. When in the university lab, Aharoni noticed that the hamster populations would only grow to 16 in its enclosure. Space was a ____________________. If they were relocated to a larger space, the population would grow more than 15. Howev, 12 hamsters from both the large and smaller enclosure dies one night. Aharoni suspects that their water source was contaminated. This is a ____________________.

a. carrying capacity / random factorb. density independent factors / density dependent factorc. density dependent factor / density independent factorsd. random factor/ carrying capacity

17. Elephants are illegally poached (hunted) for their ivory tusks. This is an example of:

a. invasive speciesb. pollution

c. habitat destructiond. overexploitation

1.4 Biogeochemical Cycles

1. Which of the following is an example is a renewable resource?

a. Oilb. Coal

c. Natural gasd. Solar energy

2. Which of the following is not a renewable resource?

a. Oil b. Solar

c. Dams d. Windmills

3. The diagram represents a cross section of the shoreline of Lake Erie. What process returns water from the atmosphere to the lake?

a. precipitationb. condensation

c. infiltrationd. evaporation

4. Which of the following processes is responsible for changing liquid water into water vapor?

a. Photosynthesisb. Condensation

c. Evaporationd. Precipitation

5. In the image, what process does #2 represent?

a. Photosynthesisb. Condensation

c. Precipitationd. Transpiration

6. When it rains, water can runoff into streams, rivers, lakes, and oceans. In some places, the sediment is porous and absorbs water. This water then collects underground. This is called

a. groundlakeb. seepage

c. surface waterd. limestone

7. What is the name of the process in which water vapors cool to form liquid held in clouds?

a. Precipitationb. Condensation

c. Evaporationd. Transpiration

8. Which of the following would lead to a decrease in carbon dioxide gas in the atmosphere?a. Deforestationb. Burning fossil fuelsc. Increase in human populationd. Increase in plant population

9. The diagram shows the gas exchange among different organisms. Which compound does X represent?

a. Carbon dioxideb. Water

c. Oxygend. Methane

10. The dissolved carbon dioxide in a lake is used directly by

a. autotrophs.b. parasites.c. fungi.d. Decomposers.

11. Tropical rain forests remove carbon dioxide gas from Earth’s atmosphere. The destruction of the rain forests could affect Earth’s overall average temperature because

a. more of Earth’s re-radiation would be absorbed by the atmosphere.b. more sunlight would be reflected back to space by Earth’s atmosphere.c. more visible light would be absorbed by Earth’s atmosphere.d. more ultraviolet light would be transmitted through Earth’s atmosphere.

12. Which of the following is not a greenhouse gas and is not a good absorber of infrared radiation? a. Oxygenb. Methanec. Carbon dioxided. Nitrous oxide

13. Which of the following is not a reason why the current atmospheric levels of CO2 is so high?

a. Increase in manufacturing using fossil fuels since the industrial revolution

b. Increase in new technologies like electric carsc. Deforestation for spaced. Increase in factory farming of animals

Bonus: Describe each of the characteristics that all living things have in common below.

Characteristic that all living organisms have in common

Description

Made of one of more cells

Contains DNA

Maintains Homeostasis

Reproduces

Grows and Develops

Responds to stimuli

Requires energy


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