Drag each label to the correct location on the table. Classify the planets as terrestrial planets or gas giants

1 answer:

7 0

The four terrestrial planets are known as Mercury, Venus, Earth and Mars, they are all rocky planets composed primarily of silicate rocks and/or metals. They are all the planets closest to the sun in our Solar System. The Gas Giant's or Jovian Planets and are composed mainly of a combination of gases/elements: hydrogen, helium, and water that exist in various physical states. These are Jupiter, Saturn, Uranus and Neptune. Behind them is the dwarf planet Pluto (which has recently been re-instated officially as a planet), this is located in the Kuiper Belt.

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77julia77 [94]

Hi there!

The example of the meadowlarks is an example of behavioral isolation. This is because the mating call is a behavior the birds exhibit. This helps the birds to find their correct mate because though the birds look similar, they are not able to produce offspring.

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Why is it important to stain youngcultures of bacteria with the grain stain?

uranmaximum [27]

Answer:

Because older cultures of gram-positive bacteria tend to lose their ability to retain crystal-violet in the peptidoglycan of their cell walls and can be confused with gram-negative bacteria.

Explanation:

Gram staining is used to differentiate between two major groups of bacteria. Gram-positive and gram-negative, these bacteria differ in the amount of peptidoglycan in their cell walls. Gram-positive bacteria have a higher amount of peptidoglycan, which absorbs the violet crystal complex used in gram staining, staining them purple/violet. Old cultures of gram-positive bacteria tend to lose the ability to retain the violet crystal and are stained by safranine, staining them red/pink and appear to be gram-negative.

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joja [24]

Answer:

The correct answer is iron-transport proteins

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alexandr1967 [171]

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Yuki888 [10]

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