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Rudiy27
2 years ago
15

Are these answers correct?

Biology
1 answer:
Leto [7]2 years ago
5 0

Answer:

im pretty sure there all correct im just not sure ab 2

Explanation:

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Signal molecules that travel through the vascular tissue to target cells where they have their effect
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Where they have there effect on the tissues cells

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___ fiber is mainly found in plant cells.
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I believe that the answer is Common Fiber... BUT... I don't know for sure!

Hope I helped.

-Abigail.

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When an animal eats, food stays in the stomach for a period of time. When a unicellular organism, such as paramecium, takes in f
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Name two major contributions to forensic science made by hans gross. why are they considered important to forensic science?
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The two major contribution in forensic science made by Hans Gross are the following:
1. He is one of the founders of criminalistics for his research on the subject and the release of his book criminal investigation in 1891. The book was the first of its kind to be published which helps establish the science of forensics especially in terms of a cross transfer evidence from criminal to the victim.
2. He detailed the assistance that investigators could expect from the fields of microscopy, chemistry, physics, mineralogy, zoology, botany, anthropometry and fingerprinting. He later introduces the forensic journal, which improves methods of scientific crime investigation.

7 0
3 years ago
Read 2 more answers
Pleaseeee helppppppppp
Zepler [3.9K]

Answer No 1:

The correct option is c) Both mitochondria and chloroplast contain DNA that is different from the nucleus.

Explanation:

The theory of endosymbiosis proposes that all the eukaryotic organisms have arisen from prokaryotes. This theory proposes that organelles such as DNA and nucleus were once prokaryotic cells. These smaller prokaryotic cells were engulfed by the larger prokaryotes which gave rise to eukaryotes eventually. These organelles possess their own DNA which is different from the DNA of the nucleus.

Answer No 2:

The correct option is C) aerobic organisms

Explanation:

The scientists propose that the initial conditions of the Earth were not favourable for  supporting aerobic life. Scientists propose that photosynthetic organisms like cyanobacteria released oxygen into the environment which made the life of aerobic organisms possible on Earth.

Answer No 3:

The correct option is A) It proved the theory of spontaneous generation.

Explanation:

Spontaneous generation can be described as the generation of life from non-living things. Some scientists proposed that living organisms are formed by non-living things.

4 0
2 years ago
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