Which of the following statements about biodiversity is true? a. changes to biodiversity always positively affect an ecosystem. b. changes to biodiversity always negatively affect an ecosystem. c. changes to biodiversity can positively and negatively affect on an ecosystem. d. changes to biodiversity never affect an ecosystem.
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Biology, 21.06.2019 21:00
Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis
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Biology, 22.06.2019 00:10
Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria
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Biology, 22.06.2019 05:10
Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla
Answers: 3
Biology, 22.06.2019 07:30
Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box
Answers: 1
Which of the following statements about biodiversity is true? a. changes to biodiversity always pos...
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