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QCE 2 2014 Test A
Test Description: This is 20 questions from QCE #2 2014
Instructions: Answer all questions to get your test result.
1) Which example shows the relationship between a living thing and a nonliving thing?
A
a flower makes food for a butterfly
B
an insect is food for a salmon
C
a tree removes a gas from the air
D
water carries a rock downstream
2) How do moose use a learned behavior to protect themselves?
A
they use their wide hooves to prevent sinking in deep snow
B
they roll in a pool of muddy water to avoid fly bites
C
they have keen hearing to sense danger in the forest
D
they have hollow hair to keep warm in the winter
3) In a desert environment, cactus wrens often build their nests in cholla cacti to avoid predators. This behavior does not hurt the cacti. Which type of relationship do cactus wrens and cholla cacti demonstrate?
A
competitive
B
mutualism
C
commensalism
D
parasitism
4) Which of the following is a biotic component of a desert?
A
horned lizard
B
low rainfall
C
hot temperature
D
polar bear
5) Salt concentration, water temperature, plankton, and the whale shark might all be used in a description of an ocean
A
ecosystem
B
population
C
climate
D
food web
6) Fungi are an important part of a terrestrial ecosystem because they
A
bond oxygen to sulfur
B
recycle organic matter
C
store energy
D
function as producers
7) Rabbits introduced into Australia over 100 years ago have become a serious pest. Rabbit populations increased so much that they displaced many native species of plant eaters. What is the most logical explanation for their increased numbers?
A
rabbits have a high death rate
B
there are few effective predators
C
additional rabbit species have been introduced
D
there is an increase in rabbit competitors
8) Which of these organisms are most helpful in preventing Earth from being covered with the bodies of dead organisms?
A
producers
B
parasites and viruses
C
herbivores
D
fungi and bacteria
9) If paleontologists finds fossils of many different species existing in the same area at approximately the same time, the paleontologist can conclude that the ecosystem in this area had a high degree of
A
geographic isolation
B
episodic speciation
C
biological diversity
D
climatic variation
10) The yucca moth lays its eggs inside the flower of the yucca plant. The larvae eat some of the plant seeds. When the moth flies away from the plant, it takes pollen from the yucca flower with it. How does the yucca moth help the yucca plant?
A
eats seeds
B
lays eggs
C
hatches larvae
D
spreads pollen
11) The highest concentration of life exists in the top 200 meters of ocean water. The most important factor that influences this concentration of life is the
A
large number of predators at lower depths
B
amount gases at the surface
C
amount of sunlight
D
amount of nutrients in the water
12) Which of these types of organisms would most likely have the largest populations in a pond ecosystem?
A
algae
B
fish
C
snakes
D
frogs
13) If farmers cleared a large forest and planted grass, the squirrels that had lived in the forest would most likely
A
build their nests on the ground
B
move to other areas that had trees
C
find seeds and nuts to plant more trees
D
learn to live in the long grass
14) All living and nonliving things that surround an animal are part of its
A
life cycle
B
food chain
C
environment
D
atmosphere
15) A scuba diver sees a squid releasing a cloud of black ink while the squid quickly moves away. Which stimulus most likely caused this behavior?
A
a storm overhead
B
a large tidal wave
C
a sudden increase in sunlight
D
a nearby predator
16) What do scientists mean when they refer to a population?
A
all the interbreeding members of a certain species in an ecosystem
B
all the animals that acquire resources through similar methods
C
all the organisms in an ecosystem
D
all the species that share similar anatomical features
17) What relationship is mutualistic?
A
an ant that lives on a plant and defends the plant from other insects
B
a deer that eats one kind of plant, which allows another kind of plant to grow in its place
C
a bird that migrates to follow the movements of the butterflies that it eats
D
an insect that lives and feeds on the body of an alligator
18) In a large forest with many animals, there are only a small number of bears. Which of these most likely limits the population of bears in the forest?
A
supply of food
B
amount of suitable shelter
C
predation by carnivores
D
type of tree
19) An ocean, a forest, and a grassy meadow are each examples of a complete ecosystem. Complete ecosystems contain
A
populations of plants and animals
B
biotic and abiotic factors (living and nonliving things)
C
rocks and water
D
animals
20) If Jessica has light eyes (bb) and both of her parents have dark eyes (Bb) which statement is true?
A
Jessica inherited one dominant form of the gene from each parent
B
Jessica inherited one recessive form of the gene from each parent
C
Jessica inherited both genes from her father
D
Jessica inherited both genes from her mother
*select an answer for all questions
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