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ratelena [41]
2 years ago
12

What does ph mean? vvgvg

Biology
1 answer:
kolbaska11 [484]2 years ago
6 0

Answer:

pH is a measure of how acidic/basic water is.

Explanation:

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Only one species of moth, Xanthopan morgani, is known to have a tongue long enough to reach the nectar in the Madagascar orchid
Delvig [45]

Answer: e.All of the above are plausible. It is impossible to predict.

Explanation:

The long tongue of moth Xanthopan morgani is able to derive the nectar from the orchid. If through many generations the nectaries become shorter the moth may not be able to derive the nectar this may facilitate the other insect species to derive the nectar and pollination.

If more insect species will able to use the orchid for nectar then obviously the orchid is more likely to reproduce due to pollination. The nectaries may get even shorter that the nectar will readily available to the other species of insects. This may also interrupt the pollination of other species of orchids as Madagascar orchid is a source of nectar which will attract many pollinators also those were specific to the other orchid species.

All conditions are plausible. But several generations of evolution of the Madagascar orchid is required to be observed to predict the association of insects with the orchid.

3 0
3 years ago
Nerves impulses _____. start at the dendrite are electrical signals can travel backwards and forwards are only found in the auto
ICE Princess25 [194]
They start at the dendrite is the correct answer...
They cannot travel backwards
And they are found in both the autonomic AND the somatic nervous system
4 0
3 years ago
Describe how the bond between Mg and S will look after the transfer of electrons has occurred and the ionic bond is formed
Serga [27]

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google

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google helps alot

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Isotopes of an element all have the same chemical behavior, but the unstable isotopes undergo spontaneous decay during which they emit radiation and achieve a stable state. This property of radioisotopes is useful in food preservation, archaeological dating of artifacts and medical diagnosis and treatment.

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In the beginning all the contents were grouped together as one giant landmass. What role did separation of them play in evolutio
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