Answer:
Homologous
Explanation:
If two or more species share a unique physical feature, such as a complex bone structure or a body plan, they may all have inherited this feature from a common ancestor. Physical features shared due to evolutionary history (a common ancestor) are said to be homologous.
Answer:
the internal organ in which the major part of the digestion of food occurs, being (in humans and many mammals) a pear-shaped enlargement of the alimentary canal linking the esophagus to the small intestine.
The oxygen cycle can be found in all but the geosphere. There's oxygen in the atmosphere, so it has to be there, and the biosphere includes living things, which breathe oxygen, and water (hydrosphere) is made up of partly hydrogen, so there has to be oxygen there as well.
I believe A sorry if im wrong
Answer:
Answer B, 100; 1,010,000
Explanation:
The complete question is
In the example of adrenaline signaling used in the animation, suppose each amplification step produces hundredfold active molecules. A signaling pathway resulting from a single activated signal receptor results in the consumption of _______ molecules of GTP and _______ molecules of ATP.
Choice A., 100; 1,000,000
Choice B., 100; 1,010,000
Choice C., 1; l00
Choice D., 10,000; 1,000,000
Solution
A signaling pathway resulting from a single activated signal receptor results in the consumption of ____100___ molecules of GTP and __1,010,000_____ molecules of ATP.
