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Aleksandr-060686 [28]
3 years ago
12

2 reasons why amphibians depend on water

Biology
1 answer:
Salsk061 [2.6K]3 years ago
6 0
Breeding and Breathing the exchange gas through their skin, their skin has to be moist to cause the exchange in gases (Oxygen and Carbon Dioxide). 
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The ion primarily responsible for depolarization in pacemaker cells is ______________, whereas the ion primarily responsible for
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2. Sodium

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3 years ago
According to the theory of plate tectonics what drives the motion of the contenients
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The theory of tectonic plates explains that large convectional currents occuring in the mantle(as a result of magma) are the reasons plates,and so continents,are moved. Note movement occurs in the boundary in between the plates.
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3 years ago
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How do erosion and deposition work together to form sand dunes?
lisabon 2012 [21]

C. Glaciers cause erosion through the movement of large chunks of ice, which are deposited and form depressions

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What type of systems are constantly changing and requires homeostasis to keep the body working correctly?
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8 0
4 years ago
In pea plants the allele for tall plants in dominant to the allele for short plants, and the allele for purple flower colour is
Tom [10]

Answer:

The correct answer is - 4. ttPp

Explanation:

Given - tall is dominant over short pea plant

let assume T is dominant and t is short which is recessive

Similarly, P for dominant purple flower and p for white flower

The offspring has a short plant which means it has both t allele or recessive allele for the height of a plant by the cross of a true-breeding purple and true-breeding white:

    P   P

p   Pp Pp

p   Pp Pp

This means the offspring would have a heterozygous case for the genotype of the flower of the pea plant

Thus, the correct answer is ttPp

7 0
3 years ago
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