Biology, 21.07.2019 03:31 ashleyd2473
In evolution, describes the appearance of new species from ancestors. species which share ancestors are said to have a "common "
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Biology, 21.06.2019 22:30
Models are non-visual ways of coummincating how someone thinks about something in the natural world
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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.
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Biology, 22.06.2019 05:00
What is a group of organisms that are closely related and share similar characteristics
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Biology, 22.06.2019 07:00
Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs
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In evolution, describes the appearance of new species from ancestors. species which share ancestors...
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