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exis [7]
3 years ago
9

Where does the majority of protein digestion take place?

Biology
1 answer:
gizmo_the_mogwai [7]3 years ago
5 0
I think it’s the second one (duodenum)
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On the Bahamian island of Andros, mosquitofish populations live in various, now-isolated, freshwater ponds that were once united
makkiz [27]

Answer:

sexual selection

natural selection

Explanation:

Natural selection is an evolutionary mechanism (changes the allele frequency) by favouring traits that are advantageous among others because they increase the survival and reproduction. In the example above, mosquitofish that live in the predator-rich ponds devoloped a trait that help them survive (swimming in short, fast bursts). This adaptation to environment is favourable by natural selection.

Sexual selection refers to the female mosquitofish and the fact that they choose their males (with better reproductive success).

8 0
3 years ago
Archaeopteryx fossils show that the animal had feathers like a bird. It also had a bony tail, teeth, and claws on its wings like
vfiekz [6]
The right answer for the question that is being asked and shown above is that: "b. Archaeopteryx fossils share traits with both birds and reptiles." Scientists claim this is evidence of a common ancestor. <span>Archaeopteryx fossils show that the animal had feathers like a bird.</span>
6 0
3 years ago
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A scientist is studying the inheritance of two characteristics in plants: red flowers (RR and Rr) , which are dominant to yellow
LuckyWell [14K]

Answer:

Crossing over

Explanation:

Please see the attachment

5 0
3 years ago
What dose a scientist do if a hypothesis is supported?what dose he or she do is not supported
Alekssandra [29.7K]
If a hypothesis is supported it becomes a theory if its not he or she has to make another hypothesis
5 0
3 years ago
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The demographic transition model show population change over time. It ilustrates how birth rate and death rate affect the total
Dmitry_Shevchenko [17]

Answer: In Stage 4 of the Demographic Transition Model birth rates and death rates are both low, stabilizing total population growth. The decline in both birth and death rates of most Stage 4 countries have been attributed to strong economies, highly educated citizens, ample healthcare systems, the migration of people from rural communities to cities (Bulgaria)

Explanation: i dont know if it's correct to them

8 0
3 years ago
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