Biology, 22.07.2019 13:00 limelight11
Need quick 1). an ecosystem is most likely to return to its original condition after which of these occurs? a) new predators are introduced to control a pest population. b) a marsh is filled in to make space for a new parking lot. c) flood waters erode the banks of a narrow stream. d) tall prairie grass burns after being struck by lightning. 2). in some national parks, controlled fires are maintained by firefighters. which of these is one of the major reasons for using controlled burns to maintain certain ecosystems? a) to rid the forest floor of accumulated deadwood and brush b) to prevent the spread of pests that cause damage to plants c) to give nonnative plants a chance to colonize the region d) to replace matured plants with saplings of the same species 3). one reason for the change in the galápagos ecosystem has been the introduction of species that were not on the island before, such as donkeys, goats, cats, dogs, and insects. how could the introduction of nonnative species most likely disrupt the balance of life on the islands? a) erosion and degradation of the soil in an ecosystem b) changes in weather conditions which have an impact on fragile life c) increased tourism which threatens the habitats d) greater competition for limited food sources
Answers: 1
Biology, 21.06.2019 21:30
The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.
Answers: 2
Biology, 22.06.2019 01:10
Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane
Answers: 2
Biology, 22.06.2019 10:50
What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
Answers: 2
Biology, 22.06.2019 11:00
What happens during the experiment stage of the scientific method
Answers: 1
Need quick 1). an ecosystem is most likely to return to its original condition after which of the...
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