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lana [24]
3 years ago
9

What is the process by which scientists "grade" the work of other scientists before it is published

Biology
1 answer:
katen-ka-za [31]3 years ago
6 0
Peer-review, somebody else read and grades the work to give feedback on the scientists work.
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Theodosius dobzhansky discovered that successful species tend to have a wide variety of genes that do not appear to be useful to
Dima020 [189]
This sounds a lot like its hinting at the bodies proactiveness in preparing for evolution of any sort.
3 0
3 years ago
The human eye can detect wavelengths between 400 nm and 700 nm. The sky appears blue (490 nm) due to the scattering of visible l
kondor19780726 [428]

Answer:

In the electromagnetic spectrum, the visible spectrum is the part, which is perceptible to the human eye. The electromagnetic spectrum in this array of wavelengths is known as simply light or the visible light. A general human eye will react towards the wavelengths in the range between 380 to 740 nm. A human eye sees the sky as blue that comes in the wavelength 490 nm because of the scattering of the visible light by the particles in the atmosphere. This concludes that 490 nm is the sole wavelength, which is reaching the eye.

3 0
3 years ago
Cnidarians and Ctenophores are alike in the following way: a) they are scavengers and parasites. b) they are both diploblastic.
alexandr1967 [171]

Answer:

Options B.

They are both diploblastic.

Explanation:

Cnidarians are group of aquatic animals that live both in fresh water and Marine water. They are distinguished by the possession of specialized cells called cnidocytes for capturing prey. They are radially symmetrical and have two body layers ectoderm and endoderm separated by jelly layer called mesoglea.

Examples are Hydra, corals, sea anemone and jelly fish.

Ctenophores are phylum of Marine animals that are found in every where. They are characterized by vast of cilia which is use for swimming. They are bilaterally symmetrical , they have mouth and don't have anus. They don't have respiratory, excretory and circulatory system. They are diploblastic i.e they have two body layers but some are triploblastic.

They have nemacyctes for capturing prey.

Examples are nuda, tentaculata e.t.c.

7 0
3 years ago
Did any mixtures form? Why or why not?
sergiy2304 [10]
Whattttttt? I can’t see anything
6 0
3 years ago
Read 2 more answers
A shark and a dolphin have similarly shaped bodies and fins. However, these two organisms are not closely related: The shark is
algol13

Answer:

The preferable option will be - A.

A. similar environments and specific traits increased their chances of survival.

Explanation:

  • The shark and dolphins have similar body shape and fins. But shark is a fish and dolphin is a mammal.
  • Both of them are exposed to similar kind of environments. Both of them possess a specific kind of alternative characters and traits.  
  • So, Some species may have similar body structures even if they are not related because they evolved in similar environments and specific traits increased their chances of survival.

 

7 0
3 years ago
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