Saltwater fish lose water by osmosis.

a. true
b. false


a. true

Biology & Microbiology

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Which of the following organisms is NOT a

cephalopod?

a. slug b. octopus c. squid d. nautilus e. more than one of these is NOT a cephalopod

Biology & Microbiology

Ex: Francisella Pathogenicity

What will be an ideal response?

Biology & Microbiology

The first line of defense against foreign invaders is ____

a. adaptive immunity b. the immune system c. B and T cell activity d. physical and chemical barriers e. antibody production

Biology & Microbiology

Place the events of parturition in the correct order.(1) Stretch-sensitive neurons send signals to the hypothalamus.(2) Oxytocin receptors increase in the uterus.(3) Prostaglandin levels increase.(4) Estradiol levels increase.(5) Oxytocin levels increase.(6) Uterine muscles start to contract.

A. 5,2,4,1,3,6 B. 4,2,1,5,6,3 C. 1,6,4,2,5,3 D. 1,2,4,5,3,6 E. 4,3,1,2,5,6

Biology & Microbiology