Match the following: 1 . muscle fiber sends message from brain to move up 2 . erythrocyte keeps tissues involved alive, provides oxygen for energy for motion 3 . neuron keeps the tissues involved free of disease 4 . leukocyte causes the actual contraction of muscles to raise leg
Answers: 1
Biology, 22.06.2019 00:40, dylancasebere
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 05:40, mountainwilson
Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion
Answers: 2
Match the following: 1 . muscle fiber sends message from brain to move up 2 . erythrocyte keeps t...
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