Homologous or comparable structures are two terms used to describe similar body parts. Both show that evolution has occurred.
<h3>How do the structures in comparative anatomy compare as proof of evolution?</h3>
To comprehend how organisms evolved, scientists compare the DNA, embryos, and anatomical structures of living beings. Homologous structures offer evidence for evolution. These are traits that related species have in common that they inherited from a common ancestor. Analogous structures offer additional proof of evolution.
<h3>How are anatomy and embryology utilized to support evolution?</h3>
The homologous and vestigial structures of different species can be seen, which demonstrates their shared origin. Since the embryonic shapes of different populations are remarkably similar, embryology provides evidence for evolution.
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Answer: why is the location of zygote formation an adaptation to life on land? archegonium- only evolved in gymnosperms, ferns, angiosperms not in moss.
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The ridge of a birds breastbone is called a keel
Answer:
Alpha-1
Explanation:
Adrenergic receptors are the integral proteins present in the postsynaptic plasma membranes. These receptors are activated when the neurotransmitter norepinephrine and the hormones norepinephrine and epinephrine bind to them. The alpha 1 adrenergic receptors are found in the smooth muscle fibers of blood vessels that serve the salivary glands, skin, and kidneys. These receptors are also found in the radial muscle of iris of the eye as well as in the sphincter muscles of the stomach and urinary bladder.
They exert excitatory effect and lead to contraction of smooth muscles of the blood vessels, dilation of pupil, and closure of sphincters of the bladder.
