The overall body plan of animals is controlled by
a. Hox genes.
b. Pax genes.
c. homeobox genes.
d. homeodomain genes.
e. homeostatic genes.
A
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A new winged species is discovered in the Amazon rainforest. Select the evidence that supports that this species’ wings are homologous to vertebrate animals and analogous to insect wings. Check all that apply.
_____ The wings have an underlying bone structure. _____ The wings are poisonous. _____ Blood vessels are networked through the wings. _____ The wings are covered in chitinous scales. 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 homologous structures? 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?
Which of the following is a function of the sterols that are found in animal cell membranes?
a. They maintain membrane fluidity. b. They facilitate ion transport. c. They store cellular energy. d. They increase the rate of diffusion.
The strength of a stimulus is indicated by the ________ of action potentials
A) frequency B) intensity C) loss D) duration E) speed
Spallanzani's experiments contradicted the experiments of (Needham/Redi/Pasteur) on spontaneous generation
What will be an ideal response?