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Korvikt [17]
3 years ago
9

What can we infer from the stickleback fossil record about evolutionary processes occurring today?

Biology
1 answer:
s2008m [1.1K]3 years ago
3 0
<h3><u>Answer;</u></h3>

Evolutionary patterns observed in the fossil record are consistent with evolutionary processes occurring today.

<h3><u>Explanation;</u></h3>
  • Three spine stickleback is a model organisms for studies in evolution because; Stickleback fish are small and have short generation times. These two characteristics make them easy to keep in a lab and useful for conducting genetic studies, since researchers can follow several generations of fish in a relatively short time.
  • Also, stickleback fish populations occur throughout the Northern Hemisphere in a wide range of environments, so researchers can compare different populations and study how they have changed over time in response to different environmental pressures.
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Antibodies:_____.
Y_Kistochka [10]

Antibodies have a variable region that binds to a specific antigenic determinant.

Antibody

An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses. The antibody recognizes a unique molecule of the pathogen, called an antigen. Each tip of the "Y" of an antibody contains a paratope (analogous to a lock) that is specific for one particular epitope (analogous to a key) on an antigen, allowing these two structures to bind together with precision. Using this binding mechanism, an antibody can tag a microbe or an infected cell for attack by other parts of the immune system or can neutralize it directly (for example, by blocking a part of a virus that is essential for its invasion).

To learn more about the antibody refer here:

brainly.com/question/13981216

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6 0
1 year ago
In writing On the Origin of Species, Darwin synthesized ideas from other publications, as well as observations he made while voy
algol [13]

Answer:

Principles of Geology

Explanation:

J. Henslow gifted Darwin the first volume of Principles of Geology, written by Charles Lyell. The book explains about the old age of the earth. Accordingly, the slow rate of several geological processes suggests that the earth is very old.

Darwin read the book as the ship was crossing the Atlantic and learned about geological processes occurring over the millions of years. For example, he learned that the earth's surface was not formed by some catastrophic event.

In his book, Lyell explained the slow and gradual geological processes like erosion gave rise to the vast landscapes present on the earth's surface.

Darwin compared the time taken by geological processes to form the earth's surface and reasoned if these millions of years were enough to support the evolution of species.

6 0
3 years ago
What is the direct effect of oxygen to sea otters
Solnce55 [7]

Answer:

It would be difficult to recreate the exact conditions of the chemical release elsewhere.

Explanation:

8 0
2 years ago
9)
Aleksandr [31]

Answer:D

Explanation:

3 0
3 years ago
- What are the reactants in the following equation?<br> CO2 + H2O → C6H12O6 + O2
dybincka [34]

Answer:

CO2 and H2O are the reactants in the given reaction

Explanation:

The reaction that is written in the question is the general equation of photosynthesis.

                    In this reaction the carbon di oxide reacts with water to form glucose ,oxygen and water.The overall reaction is given below

   6CO2+12H2O= C6H12O6+6O2+6H2O

carbon di oxide(CO2) and water(H2O) act as reactant in the above reaction.

6 0
3 years ago
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