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olga nikolaevna [1]
2 years ago
14

A scientist finds a new organism that may be either a bird or a bat, but it is not clear which group it belongs to. He is pretty

sure that the organism has analogous structures with bats and homologous structures with birds, as suggested by genomic data. The organism has one trait that is shared with bats but not birds. Which group should he choose for the new organism and why?
Biology
1 answer:
just olya [345]2 years ago
7 0
The new organism should be placed with the bird group based upon the homology obtained by the genomic data. This would imply a shared common ancestor. The trait shared with bats but not birds could be an analogous trait.
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Mafic lava tends to have low silica content. Based on this, which of the following statements about mafic lava is most likely tr
sashaice [31]

Answer:

A. It contains fewer volatile gases.

Explanation:

Mafic lava have a composition of about 45-55% silica with high amount of Fe, Mg, Ca.

The silica content is quite low compared to those of granitic magma whose silica content can reach up to about 60%.

What determines the viscosity of magma is basically the silica content of the magma and the temperature of the magma. Viscosity is the resistance to flow.

The higher the silica content, the lower the viscosity and the higher the amount of volatile gases. Such type of magma is the granitic magma. Granitic magma due to their viscosity flows slowly.

The lower the silica content, the higher the viscosity and the lesser the presence of volatile gases in them. Such an example is Mafic magma. Mafic magma flows very slowly with low amount of dissolved gases.

8 0
2 years ago
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Living organisms must acquire energy from their environment. Examples of adaptations that help organisms acquire this energy inc
krek1111 [17]

Answer:

The correct answers are Option A and B

Explanation:

A. The dark, heat-absorbing coloration of a reptile.

B. The fangs and claws of a lion

3 0
2 years ago
Drinking alcohol can cause dehydration, which makes the blood hypertonic. Which option best describes the consequences of this h
julsineya [31]

Answer:

Hypertonic blood draws water out of the interstitial fluid, which makes the interstitial fluid hypertonic. This, in turn, draws water out of the cells.

Basically an hype tonic blood has high solute potential,( low water potential)  compare with  the surrounding  plasma  and the interstitial fluid. Thus the interstitial fluid is hypotonic to the blood.

Consequently,water with higher potential moves   from the interstitial fluid medium into the blood by osmosis through the capillary endothelial. This raises the water potential of the blood, lowering the solute potential, thus making it hypotonic to the interstitial fluid; which is now hypertonic(lower water potential ,due to loss to the blood by osmosis).

Since the interstitial fluids is now hyper tonic to the surrounding cells, water moves from the hypo tonic surrounding cells through osmosis into the interstitial fluids. The sequence continues until a stable internal environment is achieved,

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4 0
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Can we still recover the lost biodiversity? Why or why not?
photoshop1234 [79]

Yes, we can recover it. But not the same as before. Maybe we will make a new one. By planting trees and cleaning the area.The loss of biodiversity has two significant impacts on human health and the spread of disease. First, it increases the number of disease carrying animals in local populations. ... At the same time, habitat fragmentation brings humans in closer and more frequent contact with these disease carrying species.Participating in Biodiversity Conservation. Identify locations of critical wildlife habitat for species at risk and the threats to these areas. ... Keep vehicles on main roads to reduce the spread of weeds and disturbance to wildlife. Monitor and assess your pets' impact on biodiversity.

Hope this helped <3

8 0
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