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Setler [38]
3 years ago
5

The many species of tree frogs that inhabit forests in the eastern US maintain their genetic isolation from other species by sev

eral mechanisms, including "singing" slightly different songs. Which type of isolating mechanism does this represent?
a. temporal isolationb. behavioral isolationc. ecological isolationd. mechanical isolation
Biology
1 answer:
Elena L [17]3 years ago
8 0

Answer:

b. behavioral isolation

Explanation:

It is a type of reproductive barrier that can lead to speciation. Behavioral behavior, such as mating rituals as in when two populations of the same species show some difference in behavior, typically in mating rituals

and signals.

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after a power stroke, the myosin head must detach from acting before another powerstroke can occur. what causes
kompoz [17]

The myosin head separates from actin as a result of ATP binding. The intrinsic ATPase activity of myosin then transforms ATP into ADP and Pi. The myosin head's angle is altered into a cocked state by the energy generated during ATP hydrolysis. The myosin head is now ready to move in the future.

The myosin protein is in a high-energy conformation when the head is cocked. At the end of the power stroke, the myosin head is in a low-energy position because this energy has been used up during the power stroke. ADP is released following the power stroke, but the cross-bridge is still there and actin and myosin are joined together.

Since ATP is readily available, the cross-bridge cycle can repeat, and muscular contraction can go on as long as ATP is there.

to know more about ATP hydrolysis visit

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6 0
1 year ago
PLEASE HELP!!!!!<br><br><br><br> What happens during human reproduction?
marissa [1.9K]

Answer:

A baby is made

Explanation:

The sperm cell (from the man) and the egg cell (from the woman) combined, makes Zygote, the Zygote converts into the Embryo, and the Embryo converts into the Baby.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

3 0
2 years ago
Read 2 more answers
Which statement best describes a physical change?
vovikov84 [41]

Answer:

Both the identity and the properties of a substance change

Explanation:

I got it right

5 0
3 years ago
explain how the rate at which fossil fuels are transferred into the atmosphere, as shown in the diagram, has altered the carbon
oee [108]

Answer:

Explanation:

Over the past 250 year or two and a half centuries fossil fuels have been burnt at a very fast rate to meet the various human needs. These fossil fuels contains huge amount of carbon dioxide. And when these fossil fuels are burnt in power factories, power plants, cars etc. carbon moves from the fossil to the atmosphere. And since carbon dioxide is a greenhouse gas it traps more heat and hence there is a global temperature rise.

It is estimated that every year almost five and a half billion tons of carbon is released by burning fossil fuels. And since this amount of carbon dioxide is very huge for plants to convert all of them into oxygen via photosynthesis it leads to disbalancing in the carbon cycle that is more carbon dioxide is produced than the amount can be utilized which finally leads to rise in Earth's temperature as all of the extra carbondioxide ends up in Trapping more sun light.

3 0
3 years ago
Are all organs weighed on a triple beam balance ?
Elanso [62]

No,not all organs are weighed on a triple beam balance.

<u>Explanation:</u>

  • Usually smaller sized organs like adrenals, thyroid are commonly used to be weighed on triple beam balance, whereas larger organs like lungs, liver and heart can only be weighed on grocer's scale.
  • Only weight of the smaller body organs can be measured very precisely with the help of triple beam balance, where as if we measure the weight of the larger organs using the same triple beam balance,then the resultant value thus obtained will not be accurate enough.
  • Hence organs are weighed on a triple beam balance.
3 0
3 years ago
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