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matrenka [14]
2 years ago
7

What might cause a threory to change over time

Biology
1 answer:
neonofarm [45]2 years ago
7 0

A theory might be modified if additional evidence is found. A theory may also be rejected if new evidence does not support it.

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Samples as small as a few skin cells can potentially contain DNA. T/F
Travka [436]

<u>Answer</u>: True

<u>Explanation</u>:

  • DNA (Deoxyribonucleic acid) is the genetic material present inside the nucleus of all eukaryotic cells.
  • Samples as small as few skin cells also contain DNA and the presence of DNA in skin cells is often used to identify the DNA of a person in a crime scene.
  • Further, with the use of PCR technology, the small amount of DNA obtained from skin cells can be amplified into many copies.
  • Therefore, the given statement is true.
8 0
3 years ago
Help help help help!
Marat540 [252]

Answer:

1:C

2:C

3:D

4:D

this is 110% fact answer

8 0
2 years ago
Read 2 more answers
All of Earth's biomes and ecosystems, except the most remote, are affected by the impact that humans have made on the environmen
irina [24]

Answer:

b. False

Explanation:

All biomes, even the most remote, are affected by the impact humans have on the environment.

Humans have been causing deforestation, pollution, agricultural expansion, mining, desertification, extinction of animals and plants, burning and other practices that have had extremely negative impacts on biomes around the world. In addition, all the pollution and exploitation of nature that humans have caused has caused harmful climate change that has affected even the most remote biomes.

The biome is a large set of interconnected ecosystems. Ecosystem, in turn, is an ecological system where there is life and interaction between living beings in a given space, and can vary in size, from a puddle to a large forest.

7 0
3 years ago
The type of reproduction by which plants produce offspring from vegetative part is called
Helen [10]
I think that's asexual reproduction.
8 0
3 years ago
Beriberi is a disease that results from a dietary lack of thiamine, the vitamin that serves as the precursor for thiamine pyroph
IRINA_888 [86]

Answer:

Pyruvic acid and lactic acid (products of carbohydrate digestion) accumulate in the tissues.

Explanation:

7 0
2 years ago
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