Prolonged periods of drought in an area cause decreases in plant population sizes. Which of the following statements describes how the decreases in plant population sizes then affect other populations in the area? *
Omnivore population sizes increase, and herbivore population sizes increase
Omnivore population sizes decrease, and carnivore population sizes increase
Herbivore population sizes increase, and carnivore population sizes decrease
Herbivore population sizes decrease, and carnivore population sizes decrease
Answers: 1
Biology, 21.06.2019 19:50
After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .
Answers: 3
Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
Biology, 22.06.2019 04:30
The nursing instructor has been observing nursing students initiate an iv infusion. which action(s), if made by the nursing student, indicates that further instruction is needed? (select all that apply.) the nursing student:
Answers: 1
Biology, 22.06.2019 05:50
Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?
Answers: 1
Prolonged periods of drought in an area cause decreases in plant population sizes. Which of the foll...
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