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yarga [219]
2 years ago
7

After completing 10 years of experimentation, a scientist reports a new scientific law about the movement of sand on beaches. Ho

w do you know that this information cannot be valid?
Biology
1 answer:
Setler [38]2 years ago
7 0
Experimentation (or the experiments the scientist was doing for 10 years) could be wrong or done in an inappropriate way. The only way to know if the information is valid is by checking the way the experimentation (data) was done as well as making sure to check all other factors
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What evidence do you consider to be the most significant and convincing support for human evolution? Today there is one species
UNO [17]

Answer:

The history of the human evolution can be studied by the fossil and DNA evidence. The similarities and advancement in certain characters has revealed the human evolution.

Different evidences like change in the diet, locomotion, brain size, walking ability as compared with the present species and species appeared 6 million years ago. The human genetics evidence and different paintings explain the culture of earlier homo species.The H. sapiens species has highly advance character that help them to survive than any other hominid species. The neanderthals extinction might occur due to their aggressive behavior, low social ability and their large cranial size.

6 0
3 years ago
Is the crayfish most vulnerable to its enemies from the dorsal side or ventral side? why?
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3 years ago
How is a dicotyledonous leaf adapted for maximum sunlight and carbon dioxide for photosynthesis? 20 Points if ya help meh out lo
jok3333 [9.3K]

Answer:

They are adapted for photosynthesis by having a large surface area, and contain openings, called stomata to allow carbon dioxide into the leaf and oxygen out. Although these design features are good for photosynthesis, they can result in the leaf losing a lot of water. The cells inside the leaf have water on their surface. Some of this water evaporates, and the water vapour can then escape from inside the leaf.

5 0
2 years ago
Which of these best describes genetic drift? A) The movement of alleles between population B) Random fluctuations in the gene fr
exis [7]
The correct answer is B.
Genetic drift is one of the four evolutionary mechanisms. It changes the frequency by chance, aka at random.
For example. if you have 100 frogs in the population, 20 red, 20 green and 60 yellow, not all of the alleles are going to be passed down to the next generation because a portion of the population can be affected by a random event such as the flood. So, if the flood accidentally kills 20 red frogs, none of the offspring are going to be red by chance.
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3 years ago
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maw [93]

Answer:

The answer would be D. Tropical Rain forests comprise only 6% of all land on Earth yet are home to nearly 50% of all the species on Earth.

5 0
2 years ago
Read 2 more answers
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