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Bio--Earthdiversity

QuestionAnswer
To study the details of protein molecules on the surface of a cell, a biologist would likely use a? Scanning electron microscope
What would be the magnification of a specimen viewed with a compound light microscope that has an objective power of 40x and an ocular lens power of 10x? 400x
What is a limitation of using electron microscopes to view specimens? You cannot view live specimens because the necessary preparation kills cells.
In spring and summer to coincide with the growing season
At what time of the year are animals living in a tropical rain forest most likely to reproduce? (1 point) At any time during the year when their preferred food is most available
In an area with plants that have thick, small leaves or no true leaves at all, which of the following other conditions are most likely to exist as well? 1.) It is near 30o latitude north or south or on the leeward side of a mountain range 2.)Night temperatures are much colder than daytime temperatures.
If the water temperature in a lake drops from 25oC to 10oC, what effect is it likely to have on aquatic animals that have a high demand for dissolved oxygen? They will find it easier to meet their needs for dissolved oxygen.
Which of the following describes how the winter season affects organisms in the tundra biome? Animals not adapted to cold migrate to warmer regions
Broad-leafed trees in a temperate zone lose their leaves to survive colder seasonal temperatures
Which of the following best explains why the diversity of organisms decreases as you move from shallow seas to deep oceans? The lack of sunlight in the deep ocean limits the types of organisms that can survive.
Salvatore had grown tired of his fish tank and would like to get rid of the fish and contents of the tank in a nearby freshwater canal. Which argument presents the most devastating consequences of Salvatore's dumping of the tank? He may be introducing an invasive species that will damage the ecosystem
Which of the following best describes the changes that take place in an ecosystem during primary succession? Lichens and mosses grow slowly on newly formed land, followed by grasses, shrubs, and trees.
For the past 20 years, the population of the invasive Asian Carp in the Mississippi River has skyrocketed while populations of native species have declined. Which of the following conclusions provides the best explanation for this phenomenon? The carp out-competed the native species for food and space.
Which of the following is an example of how a biotic factor can affect the population dynamics in an ecosystem? The population of a predator increases following an increase in the population of its prey.
Which of the following is an example of the changes that take place in an ecosystem during secondary succession? Shrubs and trees regrow quickly in an area that has been burned during a forest fire.
Pet owners begin to abandon their Burmese pythons in the Everglades when they become too large for home care. Native species of frogs and reptiles decrease with the introduction of the snakes. What does this scenario represent? A loss of biodiversity due to an invasive species
Waste managers need more land to collect city garbage. What environmental parameters should city officials investigate before purchasing the needed land? Depth of groundwater and distance to local lakes, rivers, and farms
The national government wants to increase the number of national parks and recreation areas. How will this act help with the sustainability of our environment? It will preserve biodiversity for future generations
If water vapor continued to increase in our atmosphere, what changes would you expect in freshwater lakes? Lake temperatures will increase, but dissolved oxygen in the water will decrease.
Created by: sstrozzi
 

 



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