Which of the following correctly pairs a germ layer with the cells that will form from it?

A. ectoderm: inner layer of the skin, muscles
B. mesoderm: inner layer of the skin, muscles
C. endoderm: epithelial and pigment cells of
the skin
D. ectoderm: lining of the digestive tract and
lungs
E. mesoderm: lining of the digestive tract and
lungs


B

Biology & Microbiology

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Rank the sensory receptors in order, from the ability to detect the widest variety of molecules, to the least variety of molecules (or none).  

__   photoreceptors __   TRP channel temperature receptors __   gustatory receptors __   olfactory receptors Clarify Question What is the key concept addressed by the question? What type of thinking is required?   Gather Content What do you already know about sensory receptors? What other information is related to the question?   Choose Answer Given what you now know, what information is most likely to produce the correct answer?   Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?  

Biology & Microbiology

The cell in micrograph "III" is at which stage

of the cell cycle?

a. prophase b. telophase c. interphase d. anaphase e. metaphase

Biology & Microbiology

Describe three key features that distinguish each domain of living organisms: Archaea, Bacteria, and Eukaryotes. Identify two features that all three domains share.

What will be an ideal response?

Biology & Microbiology

If the first-level carnivore consumes 500 kg of energy from herbivore tissue, how much is available to the second-level carnivores?

A. 100 kg B. 5 kg C. 50 kg D. 10 kg E. 500 kg

Biology & Microbiology