Answers: 1
Biology, 22.06.2019 00:40
Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
Answers: 2
Biology, 22.06.2019 11:30
Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above
Answers: 2
Biology, 22.06.2019 15:10
Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?
Answers: 1
Biology, 22.06.2019 15:30
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
Ahumpcnid enocaom is made of two or more simple machines....
Biology, 30.08.2019 05:00
Mathematics, 30.08.2019 05:00
Biology, 30.08.2019 05:00
Mathematics, 30.08.2019 05:00
Social Studies, 30.08.2019 05:00
Biology, 30.08.2019 05:00
Mathematics, 30.08.2019 05:00
Biology, 30.08.2019 05:00
History, 30.08.2019 05:00
Mathematics, 30.08.2019 05:00
Mathematics, 30.08.2019 05:00
Business, 30.08.2019 05:00