Which statement illustrates how human activities can most directly change the dynamic equilibrium of an ecosystem?
water pollution causes a decrease in fish populations in a river.
a hurricane causes a stream to overflow its banks.
increased wind increases water evaporation from a plant.
Answers: 2
Biology, 22.06.2019 14:30
The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?
Answers: 1
Biology, 22.06.2019 19:00
Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides
Answers: 2
Biology, 22.06.2019 19:40
Cloning an individual usually produces orangisms that (1) contain dangerous mutations (2) contain identical genes (3) are identical in appearance and behavior (4) produce enzymes different from the parent
Answers: 3
Which statement illustrates how human activities can most directly change the dynamic equilibrium of...
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