Name_____________________________________ Prd________ Date_________________________
Biology 1st Semester Final Exam
Characteristics of life and Classification
Circle the correct answer.
1. How many Domains are shown in the figure above?
A. 1
B. 4
C. 3
2. Which Domain includes eukaryotic organisms?
A. Bacteria
B. Archaea
C. Eukarya
3. Which Kingdoms are prokaryotic?
A. Eubacteria and Bacteria
B. Eubacteria and Archaeabacteria
C. Archaeabacteria and Animalia
4. Which Kingdom is multicellular and autotrophic?
A. Animalia
B. Fungi
C. Plantae
5. Which scientific name is written correctly for the wolf?
A. Canis Lupus
B. Canis Lupus
C. Canis lupus
6. Which is more specific
A. Species
B. Genus
C. Class
7. Reproduction by a single organism
A. Sexual
B. Asexual
C. Unicellular
8. ____________________ is being able to maintain a stable and balanced
internal environment in order to survive.
A. Adaptation
B. Homeostasis
C. Stimulus
9. Being able to survive over time is _________________________.
A. Adaptation
B. Stimulus
C. Asexual
10. The smallest unit of life is a ____________.
A. ecological footprint
B. cell
C. species
11.A cottontail rabbit eating clover is which characteristics of life?
A. Organization
B. Stimulus
C. Energy
12.When a plant bends towards the light, this characteristic of life is
_____________?
A. Stimulus
B. Energy
C. Adaptation
Experimental Design and Graphing
13. In our butter experiment, our independent variable was ______________.
A. Time
B. Cream
C. Temperature
14. In our butter experiment, our dependent variable was _______________.
A. Time
B. Cream
C. Temperature
15. A hypothesis must state/include your independent and dependent
variable.
A. True
B. False
C. None of these
16. The constant or control in an experiment is something
A. That changes B. That stays the same C. None of these
Principles of Ecology
17. Ecology is the scientific discipline that studies all the interactions between
A. all the different regions of Earth.
B. different forms of matter on Earth.
C. organisms and their environments.
18. Which is an abiotic factor?
A. An ocean current of cold water
B. A forest full of ferns
C. A dead log on the forest floor
19. All the buffalo in the same region would be considered a(n) ____________.
A. Community
B. Ecosystem
C. Population
20. All the groups of organisms that interact with each other and their
environment is considered to be a(n) ________________.
A. Ecosystem
B. Population
C. Community
21. All the groups of organisms that interact with each other in the same area
is a(n) _______________________.
A. Population
B. Ecosystem
C. Community
22. Red-tailed hawks and black rat snakes prey on the same species of rodent.
This is known as _________________.
A. Predation
B. Competition
C. Parasitism
23. A tick becomes lodged into the skin of a hiker. This is known as
____________.
A. Commensalism
B. Predation
C. Parasitism
24. Coyotes eating mice and rabbits is an example of _______________.
A. Predation
B. Mutualism
C. Competition
25. When one organism benefits, while the other is unharmed. This
relationship is known as ____________________.
A. Commensalism
B. Mutualism
C. Parasitism
26. What is released at each trophic level of a pyramid of energy?
A. Food
B. Animals
C. Heat
27. According to the energy pyramid below (Fig. 1), which organisms are the
primary consumers?
A. algae
B. mosquito larvae
C. raccoons
28. According to the energy pyramid below (Fig. 1), which organisms are the
tertiary consumers?
A. algae
B. Raccoons
C. frogs
Fig. 1
29. What is released at each level of a pyramid of energy?
A. animals
B. heat
C. decomposers
30. When energy moves through an ecosystem, the energy is eventually
__________.
A. recycled
B. lost
C. changed to matter
31. Consumers of dead animal and plant material are called ______.
A. decomposers
B. herbivores
C. primary consumers
32. An organism that must consume other organisms to gain energy is called
_______.
A. an autotroph
B. a heterotroph
C. a producer
33. Cougars are predators that often eat weakened or diseased animals. This is a
description of the ____ of cougars.
A. habitat
B. community
C. niche
34. Which is an example of predation?
A. clownfish protecting its anemone
B. bobcat eating eastern cottontail rabbits
C. two male rams fighting for females
35. Limiting factors control the _______ of a population.
a. Color
c. location
b. Growth
36. ________ __________ determine the carrying capacity of an
environment for a species.
a. Carrying capacity
c. Density conditions
b. Limiting factors
37. The number of individuals of a species that can live successfully
in a certain area refers to the (a.k.a. “how crowded a
population is or how many it can hold”)
a. carrying capacity
c. density factor
b. limiting factor
39. Density dependent limiting factors are
a. abiotic
c. biotic
b. dispersion
40. Density independent limiting factors are
a. abiotic
c. biotic
b. dispersion
41. A wildfire sweeps through a forest. What kind of limiting factor
is this?
a. Density independent
b. Density dependent
42. A parasite has infected the local deer herd and is spreading
quickly and killing them. What kind of limiting factor is this?
a. Density independent
b. Density dependent
43. A logistic growth curve looks like a(n) __________ on a graph?
A. S
B. J
C. Z
44. An exponential growth curve looks like a(n) _________ on a
graph?
a. S
c. Z
b. J
45. Small organisms like a mouse, that have short lives, produce
many offspring, and do not nurture their young are called
____________________.
a. r-strategists
c. h-strategists
b. k-strategists
46. Populations can be distributed in three different patterns in
nature, they are
a. circle, square, random
c. clumped, random, all
together
b. clumped, uniform, random
48. Succession that occurs after a fire in an ecosystem is called
__________________.
a. primary succession
c. secondary succession
b. pioneer succession
49. Plants that grow on rocks helping to further break down the
rocks into soil are called_________________________.
a. grasses
c. pioneer species
b. shade-tolerant trees
50. The following natural events will cause primary succession to
occur:
a. glacier movement and volcanoes c. tsunamis and
tornadoes
b. wildfires and controlled burns
51. In ecology, succession refers to:
a. balances of power
c. natural selection.
b. survival of the fittest.
d. one species replacing
another.
52. A pioneer species such as ______________________ are a
combination of algae and fungus that grow on bare rock.
a. grasses
c. legumes
b. lichens
53. How do lichens and mosses contribute to primary succession?
a. they are nitrogen fixing bacteria.
b. they convert carbohydrates into fossil fuels.
c. they begin to break down rock to form soil.
54. What type of vegetation would you expect to find on an
abandoned farm after 150 years?
a. short grasses
c. shrubs
b. pine trees and oak trees
55. The final stable community that is made up of mature,
hardwood trees is called
a. pioneer community
c. climax community
b. farmland
56. What type of succession occurred when the north side of Mt. St.
Helens blew up and buried the area under 200 feet of rock and
ash?
a. pioneer
c. primary
b. secondary
d. climax
57. What natural disaster affected Mt. St. Helens and the ecological
succession of the surrounding area?
a. tsunami
c. volcano
b. earthquake
58. As a pond passes through succession, the last stage would have
a. been filled with vegetation and no longer has open water.
b. plankton and fish that make nests on the sandy bottom.
c. cattails, water lilies, amphibians, and reptiles.
59. At what temperature do largemouth bass grow the fastest? (circle
the best answer)
a. 10 oC
c. 20 oC
b. 30 oC
d. 40 oC
60. A threat to biodiversity that includes damaging the air, soil, and
water. Types include Acid Rain and Eutrophication.
A. Pollution
B. Biodegradable
C. Habitat loss
61. Biodiversity means _____________________________?
A. The mixed up species and vegetation in an area
B. a variety of life
C. none of the above
62. The characteristics that are seen on the boundary between two
habitats is called _______________________.
A. Edge Effect
B. Eutrophication
C. Habitat Cuts
63. Ecosystems that get broken down into smaller areas is called
____________.
A. Edge Effect
B. Habitat Fragmentation
C. Habitat Cuts
64. Designed to protect groups of species by managing lands in a
protected area is called ______________________.
A. Habitat Law
B. Habitat Conservation Plan
C. Land Plan
65. Critical ecosystems with high species diversity are called
_____________.
A. Hotspots
B. Hot Plate
C. Hot Diversity
66. Species that is intentionally or unintentionally transported to a new
habitat that can cause serious problems for native species are called
_______________.
A. Exotic Species B. Invasive Species C. Both A and B
67. If the sea otter were to be removed from an area with a productive
kelp bed, the sea urchin population would eventually take over,
destroying the kelp bed. This is an example of a
_________________________________.
A. Keystone species
B. Cornerstone species
68-70. List the three types of biodiversity
1.
2.
3.
C. Bad species