1*
1.
a.
Which of these best explains why birds and dogs both show gills in their early...
Biology, 18.05.2021 20:40, HannahW7024
1*
1.
a.
Which of these best explains why birds and dogs both show gills in their early
development?
Both organisms can breath underwater
Both organisms share a common ancestor
Both organisms use them to process food when they are young
Both organisms have different ways of forming their lungs
b.
C.
d.
a
b
с
d
Answers: 2
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What is the difference between a scientific hypotheses and a scientific theory?
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Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen 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. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody
Answers: 1
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