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serg [7]
2 years ago
11

Which trait is always expressed when present?

Biology
1 answer:
Nezavi [6.7K]2 years ago
5 0

Answer:

c dominant

Explanation:

dominant traits beat all the rest

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If the volcanic ash from an eruption extends to 2.5 miles into the atmosphere, how many kilometers does this represent?
DerKrebs [107]

Answer:

4 km

Explanation:

There are 1.60934 km in a mile

2.5 m * 1.60934 km = 4 km

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2 years ago
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What are the mechanisms of natural selection, and how do they lead to changes in
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Darwin's proposed mechanism for evolution is natural selection. Natural selection allows species to respond to their surroundings through time, or to become progressively excellently-suited. Natural selection is environmentally based and involves established heritable variation within a population.

They lead to changes in  species over time:

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3 years ago
What are good websites to study for biology?
Andru [333]
Khan Academy is great! Also, Alison (it's a website) has some free courses as well.
7 0
3 years ago
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Compare and contrast DNA and RNA
Ierofanga [76]
<span>Compare:  both RNA and DNA have 3 nitrogenous bases: Adenine Cytosine and Guanine. Also b</span>oth have a phosphate groups in their nucleotides<span> 

Contrast: </span>RNA is a polymer with a ribose AND a phosphate backbone. It has four different nitrogenous bases: adenine, guanine, cytosine, and uracil.

DNA<span> is a long polymer with deoxyriboses AND phosphate backbone. It also has  four </span>different<span> nitrogenous bases: adenine, guanine, cytosine and thymine. 
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Hope this helps

6 0
3 years ago
//ANSWER ASAP!//
fgiga [73]

Answer:

consistent warm weather

Explanation:

8 0
2 years ago
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