Developmental problems present at birth are known as ________
A) birth defects B) type 2 diabetes C) gastrulation D) teratogenic
Answer: A
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How do we know that the atmosphere of the earth experienced an increase in O2 and became oxidizing between 2.5 and 2 billion years ago?
What will be an ideal response?
Vampire squid (Vampyroteuthisinfernalis) are deep-sea cephalopods with features similar to both octopus and squid. Extensive video recordings show the diet of the vampire squid consists of items like crustacean remains and fecal pellets. Which of the following terms describes the position of the vampire squid in the deep-sea trophic pyramid?
A. herbivore B. primary producer C. primary carnivore D. secondary carnivore E. detritivore 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 trophic levels? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
During swallowing, __________ closes off the __________ so food cannot enter the lower airway
a. the pleural membrane; trachea b. cartilage; larynx c. the pharynx; esophagus d. the Adam's apple; trachea e. the epiglottis; larynx
Which type of lipid includes sex hormones such as testosterone and estrogen?
What will be an ideal response?