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fredd [130]
3 years ago
10

Why do black redstarts exhibit migratory restlessness at night for fewer days than common redstarts?

Biology
2 answers:
IgorLugansk [536]3 years ago
3 0

Answer:

The statistics given has shown that night-migrating birds are driven by autonomous circadian clocks which is made possible  by sunset cues. This timekeeping that is the autonomous circadian clocks system is probably the key factor in the overall control of nocturnal songbird migration.

liq [111]3 years ago
3 0

Answer: Blact redstarts are associated with circadian clock. Seasonal melatonin and circadian clock lead to migratory nocturnal restlessness. The birds that exhibit migratory restlessness at night is due to high levels of melatonin at nights because melatonin are high in the night.

Explanation:

Migratory restlessness is the locomotive performance that birds engaged in before migration. It is common in birds with circadian rhythm.

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How do cells get energy from glucose? How do they use that energy?
AURORKA [14]

Answer:

Image result for How do cells get energy from glucose?

Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.

Explanation:

7 0
3 years ago
What is the density of a rock which has a mass of 35 grams and a volume of 7 cm3
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Answer: Density equals mass divided by volume (D=M/V). Thus, 35/7=5.

3 0
3 years ago
The _____________is part of the appendicular skeleton, while the ________ is part of the axial skeleton.
telo118 [61]

Answer:

The thumb bone is part of the appendicular skeleton, while the sternum is part of the axial skeleton. Therefore, the correct answer to the above question is option b.

Explanation:

The human body is considered to have 206 types of bones. The skeleton system is considered to be the basic structure of the body. The whole skeleton system is comprised of bones. The whole skeleton system is divided into two reason which are appendicular skeleton and axial skeleton.

Axial skeleton consists of bones which are axial in nature and helps the human body to stand firm and straight on the ground. The “appendicular skeleton” consists of bones which are other than axial bones like hands, fingers, feet etc.  

3 0
3 years ago
Read 2 more answers
Could the mother or the father (or both be "responsible" for this aneuploid condition in a child? explain your choice
eduard
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6 0
3 years ago
Please match these correctly
Lerok [7]
<span>1.keeps tooth alive 
</span><span>pulp
2.surface of teeth 
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3.tube carrying food to stomach 
esophagus
4.last major organ in digestive system 
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6.first stage of digestion takes place here 
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peristatiss
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9. windpipe 
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6 0
2 years ago
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