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Nostrana [21]
3 years ago
14

A scientist argues that two species of birds are the same species because they have similar body structure, similar DNA, and sim

ilar beaks because they eat the same food. The birds do have some variations in color patterns and have a different mating season. Which piece of evidence would go against this argument and suggest that the birds are actually different species?
Biology
1 answer:
sveticcg [70]3 years ago
8 0

Answer:  

Birds have a different mating season this evidence will go against the argument and suggest that the birds are actually different species. Generally, two factors seasonal and behavioral identifies the differences among the species. Species generally interbred among the same population of species according to the season and hence they loose mating opportunities.  Although being sexually compatible they do not interbreed. Behaviorally, a biological clock in species naturally sets breeding cycle according to the resources availability, suitable nesting sites and mating opportunities. Different species have different seasonal requirements to accomplish this.

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Scilla [17]

Answer:

Option B, Move closer to your home town

Explanation:

The options for the given question are as follows -

A) Knock down your previous house and build a bigger one.

B) Move closer to your home town.

C) Move further away from your home town.

D) Stay where you are but speed up your daily life

Solution -

Electrons carry negative charge while nucleus carries positive charge due to the presence of positively charged proton ions and neutral ions (which has no charge). All the electrons are attracted towards the nucleus due to its positive charge. The orbit on which an electron revolves around a nucleus has higher energy level as compared to the energy levels located in between the space of electron and nucleus.  

While moving from a high energy orbital to a low energy level orbital, an electron releases some energy.  Hence, in order to move closer to home, electron needs to push itself toward the nucleus by releasing energy

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5 0
3 years ago
Which of the following is NOT a logical pairing of another environmental factor that will possibly affect the bluegill populatio
bulgar [2K]
The correct answer for this question would be option A. The one that is considered not a logical pairing <span>of another environmental factor that will possibly affect the bluegill population with how that factor would affect it is the ACID RAIN. The rest are considered as factors that would affect the population of the bluegill. Hope this answer helps.</span>
3 0
3 years ago
Read 2 more answers
Why is the shape of an enzyme important?
sleet_krkn [62]

Answer:

The shape allows the enzyme to bind with a specific substrate.

Explanation:

Substrates and enzymes are like puzzle pieces. They need to be specific shapes to fit together. When they fit together, they do their job wonderfully. If they are pushed together without being the correct shape, they could be damaged.

7 0
2 years ago
When a drug is discontinued, what percentage of that drug will remain in the body after three half-lives?
777dan777 [17]

Answer:

About 12.5%

Explanation:

Every half life usually eliminates about half or 50% of drugs that is stored in the body system.

Therefore, after one half life, the percentage of drug stored in the body will be 50%, after two half lives it will be reduced by 50% which is 25%.

After three half lives, the percentage of drug stored in the body will also be eliminated by 50% which will be half of 25% and it will be 12.5%.

Therefore, the answer is 12.5%.

8 0
3 years ago
Why did the Spanish build Elena (town/San Felipe (fort)?
Gre4nikov [31]

Answer:

San Felipe

Explanation:

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6 0
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