Objective 4 Quiz Question Preview (ID: 37285)
Multiple Choice.
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Which statement best describes the relationship between biodiversity and the sustainable nature of an ecosystem? (7.10B)
a) Data on biodiversity is important in field studies to appropriately represent an ecosystem.
b) Abiotic factors in an ecosystem influence biodiversity.
c) Increased biodiversity has a positive effect on ecosystem sustainability.
d) An ecosystem with low biodiversity is better able to recover from natural and manmade disasters.
Which statement best describes the role of succession in a garden microhabitat? (7.10C)
a) Seeds from grasses and weeds begin to change the biotic factors in the microhabitat.
b) Succession will end as soon as the field is planted again.
c) The weeds and grasses prohibit shrubs and trees from becoming established through succession.
d) The abiotic factors cause succession to take place.
In a food web a wolf feeds on mountain goats and rabbits, and the mountain lion feeds on the wolf. If the wolf population decreased within the food web, the result would be ___ (8.11A)
a) The rabbit population decreasing
b) The mountain lion population increasing
c) The mountain goat population decreasing
d) The producer population decreasing
The termites attack the trunk of the tree, using the tree as a food source. The tree is being harmed in the process. This relationship between the termites and the tree is an example of – (8.11A)
a) Commensalism
b) Mutualism
c) Parasitism
d) Predator-Prey
In a forest, two trees are growing next to each other. One is growing strong and tall. The other appears weak and small. Which of the following describes natural resources that both trees compete for here? (8.11B)
a) Quantity of light and nutrients
b) Root length and strength
c) Genetic Diversity
d) Presence of bird nests and roosting areas
Which population of organisms would be in the greatest danger of becoming extinct? (8.11C)
a) A population of organisms having few variations living in a stable environment
b) A population of organisms having few variations living in an unstable environment
c) A population of organisms having many variations living in a stable environment
d) A population of organisms having many variations living in an unstable environment
If two different breeds of dogs reproduced sexually, combining DNA, then their offspring would demonstrate ___ (7.14B)
a) Identical appearance to only one parent.
b) Uniform genotype
c) A unique combination of recessive and dominant traits
d) Prokaryotic cell
How will clear-cut logging, a short-term environmental change, affect organisms living in the area (8.11C)
a) Organisms will contribute to the environmental change
b) Organisms will genetically adapt as the trees are felled
c) Organisms will not be affected by the change
d) Organisms will die or migrate to another area
Which of the following statements is NOT true about the cell theory? (7.12F)
a) All living organisms are composed of one or more cells
b) Cells originate from pre-existing cells
c) Cells are the basic unit of structure and organization of all living organisms
d) Unicellular organisms can live on their own
Ladybugs live around plants and eat aphids, a type of soft-bodied insect. How ladybugs obtain food, a characteristic that classifies them in the Kingdom Animalia, is referred to as — (6.12D)
a) Autotrophy
b) Heterotrophy
c) Herbivory
d) Eukaryotic
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