Two external features shared by amphibians and fish

Describe how iron turns into a brownish-red powder. Name the reactants and products that are involved.

What three parts does a nucleotide consist of?

How do geologists learn about earth's interior?

What is a multi cell?

Egested waste, All of the mass of the ingested grass is not accounted for in the growth and waste of herbivore 1. How much is missing? What do you think happened to the mass? Nyour answer

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