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AnnyKZ [126]
3 years ago
12

Which is a correct observation based on the photo shown below? A bird with green, yellow, black, and white feathers is shown. It

has a long narrow beak that is longer than the length of its head. The bird’s coloring indicates that it lives in trees with green and yellow leaves. The bird has a narrow beak that is longer than the length of its head. The bird probably uses its long beak to reach the nectar inside flowers. The bird must inhabit a cold climate since there is ice on the branches.
Biology
1 answer:
erastovalidia [21]3 years ago
6 0

Answer: it could be a humming bird

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When the protein gramicidin is integrated into a membrane, an H+ channel forms and the membrane becomes very permeable to proton
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Through which microscope were cells first observed?
poizon [28]

Compound microscope

<h3>Further explanation</h3>

In 1665, Robert Hooke used a compound microscope to observe cells. Hooke observes the cell walls of dead plants (in the form of cork) when they appear under a microscope. He named it the cell because it looked similar to a cellula or small room inhabited by monks.

Development of microscopy:

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  • 1676: Anton van Leeuwenhoek was the first person to observe a live cell under a microscope, i.e., the algae Spirogyra.
  • 1931: Ernst Ruska constructed the first electron microscope. With the invention of the electron microscope, many infectious agents smaller than bacteria could be seen.

Until now, we can see how important the use of microscopes, especially in microbiology, that is the study of microorganisms.

<h3>Learn more</h3>
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Keywords: compound microscope, Robert Hooke, cells first observed, cork, dead plant, walls, Anton van Leeuwenhoek

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