Which of these is a specific defense of the body?

(a) mucus

(b) stomach acid

(c) skin

(d) b cells

When orange fish and white fish are mated, all the offspring have orange and white stripes. If a striped fish and orange fish mate, what is the probability they will have a white offsping?

Is a hairy frog homologous or vestigial?

What is the name of the middle portion of the leaf?

The term alternative energy best discibes?

Is strong acid because it almost fully dissociated into hydrogen ions and. Ions in water

Which is the ability of a cell membrane to allow materials to pass through it called

The brain and spinal cord are formed from a. the notochord, which forms from endoderm b. the neural tube, which forms from mesoderm c. the neural tube, which forms from ectoderm d. the notochord, which forms from mesoderm

Missy spencer was given penicillin for tonsillitis. she developed a severe life-threatening allergic (hypersensitivity) reaction to the penicillin. her medical file records this reaction as a (n) :

What situation most likely explains the occasional high frequency of certain inherited disorders among human populations established by a small population?

Which of these tissues stores minerals? bone, muscle, nerve, or blood