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son4ous [18]
3 years ago
6

How were the four requirements for life identified by scientists?

Biology
1 answer:
Zarrin [17]3 years ago
8 0
To be alive an organism must be able to intake nutrients, respirate, grow, and reproduce
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How does sympatric speciation differ from allopatric speciation?
Lena [83]

Symaptric speciation is the formation of new species in populations that live in the same geographic area, while allopatric speciation occurs when the population is separated by a geographcial area. So, according to this: The difference between the sympatric speciation and the allopatric speciation is that sympatric speciation involves a behavioral barrier, while allopatric speciation involves a physical barrier.

3 0
2 years ago
PLZZ HELPPPPP ASAPPP!!!<br><br> !!!!30 points !!!!
yaroslaw [1]

Using two heterozygous tall pea plants, so Tt is the genotype.

       T        t    <---- alleles from parent one

T      TT    Tt

t       Tt      tt

^alleles from parent two on the left

Results:  TT, Tt, Tt, and tt

Genotype ratio:  1/4 TT, 1/2 Tt, 1/4 tt

Phenotype ratio: T is dominant over t, so 3/4 tall and 1/4 short pea plants

8 0
3 years ago
True or False: Rainforests are home to many of the largest animals on Earth.
vampirchik [111]
False actually the rainforest carries many of Earth's smallest animals because it has more places to hide and can support many species
6 0
3 years ago
Why is it important to know a persons rhesus factor before an blood transfusion
Ronch [10]
Blood transfusion procedures, it is important to know the blood type of the receiver and the giver, since in cases of incompatibility can be blood clumping of the blood, which can lead to death.

hope this helps!

7 0
3 years ago
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What is the difference between ice and snow.
n200080 [17]

Answer:

Though ice and snow are both made up of water, there is a difference between the two. Snow is nothing but the frozen atmospheric vapour which falls in winters on earth as light flakes whereas ice is simply frozen water.

5 0
3 years ago
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