Biology, 20.08.2019 22:00 deedee2616
Why are nutrients from fertilizer harmful to aquatic ecosystems? they cause an increase in fish populations. the increase in algae population reduces oxygen in the water. they can infect plants, which causes animals and humans to become sick. fish and other organisms grow too large and can no longer live in the ecosystem.
Answers: 2
Biology, 22.06.2019 07:00, Bengynease2598
An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?
Answers: 3
Biology, 22.06.2019 08:00, kajjumiaialome
Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen
Answers: 1
Why are nutrients from fertilizer harmful to aquatic ecosystems? they cause an increase in fish pop...
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