unit 1 ecology biology review powerpoint. review question 1: which of the following chain of energy...
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UNIT 1 ECOLOGYBiology Review PowerPoint
Review Question 1:
Which of the following chain of energy flow would give the end consumer the least amount of energy?
A. Grass grasshopper robin hawkB. Grass mouse wolfC. Grass grasshopper frog snake
hawkD. Grass mouse snake hawk
Where does 90% of the Energy “lost” actually go when E is transferred from one trophic level to
the next?
Review Question 2:
Fungi, such as mushrooms and molds, get their nutrition primarily by —
Aproducing food through chemosynthesis
B preying on other organismsCdecomposing dead organic matter
D parasitic relationships with plants
Why are decomposers important?
Review Question 3
If a population grows larger than the carrying capacity of the environment, the ______.
Adeath rate may riseBbirth rate may fallCbirth rate may riseD death rate may fall
What is carrying capacity?
Review Question 4
NY Regents
BIO
Review Question 6
An example of a population is-1 all the Zapus hudsonicus in California2 all the fish in Lake Erie3 the number of different species of Felis in ageographic area4 the number of maples, white oaks, spruce,gray squirrels, and owls in a forest
Review Question 7
Which of the following practices is MOST likely to slow the buildup of CO2 in the atmosphere?
From: Georgia-End-of-Course Assessments, Spring 2004
A increased use of tropical rain forest areas for agricultureC decreased pesticide use in favor of biological controlsB increased use of genetically engineered plantsD decreased use of fossil fuels
Review Question 8
The maintenance of a self-sustaining ecosystem requires a - 1 constant temperature 2 greater number of herbivores than producers 3 cycling of materials between organisms and their environment 4 soil that is acidic
Review Question 9
A food web is shown below:
Which organisms are necessary for the recycling of Nitrogen?1 frogs 2 snakes3 grasshoppers 4 bacteria
Review Question 10
In a forest ecosystem, which is an abiotic factor?
From: North Carolina End-of-Course Assessments, Goal 5
A amount of rainfallB type of treesC number of reptilesD size of deer
Why is this considered
abiotic?
Review Question 11
What is the main cause of fish kills in rivers polluted by fertilizers?
From: Virginia SOL Assessments, 2002 Biology
A Decreased mineral sources
C Increased water temperatures
B Decreased oxygen levelsD Increased water levels
Review Question 12
The diagram below shows a food pyramid.
Which level of the food pyramid contains consumerswith the least biomass?1 snakes 3 crickets2 frogs 4 green plants
Review Question 13
Which letter represents a photosynthetic organism?
a.Ab.Bc.Dd.E
Review Question 14
Which property of the local ecosystem is being described?a. Food production c. Biodiversityb. Abiotic conditions d. Energy interdependence
Study the table below:
Last Question!
The above graph shows how dissolved O2 and CO2 levels changed in a pond over a 24-hour period. What caused the decrease in O2 concentration during the night?A increased evaporation B decreased photosynthesisC increased respiration D decreased temperatures