Darwin wrote many of the premises of 'The Theory of Evolution by Natural Selection' by noting differences in the _________ of closely related ______________, while studying in the Galapagos Islands.

Answer:

Sodium and bromine

Explanation:

Ionic bond is a type of chemical bond and binds the chemical molecules together.  Ionic bond is formed by the transfer of electrons from an electropositive element ( metal) to the electronegative element (non metal).

Sodium is an electropositive element and contains one positive charge. Bromine is an electronegative element with a single negative charge over it. Sodium gives the electron to bromine and results in the formation of ionic bond.

Thus, the correct answer is option (C).

Answer:

The correct answer would be :

b. Microbes can be blocked from accessing favorable growth environments.

d. Microbial life can be destroyed by heat.

e. Microorganisms can be present in nonliving matter, such as air, liquids, and solids.

g. Pasteur's observations support the theory of biogenesis.

Explanation:

Pasteur's experiment with s-shaped neck flasks indicated that organisms can't emerge from nonliving materials under the conditions that existed on Earth during his lifetime.

It helps in testing the role of airborne contaminants in producing microbes in the nonliving matter by the biogenesis theory. His experiment showed and supports that heat can kill or destroy microbial life.

Thus, the correct answer would be -  b., d, e., and g.

Final answer:

Pasteur's experiments using S-shaped neck flasks led to several conclusions: microorganisms can be blocked from accessing favorable growth environments, microbial life can be destroyed by heat, microorganisms can be present in nonliving matter, and Pasteur's observations support the theory of biogenesis.

Explanation:

Pasteur's experiments using S-shaped neck flasks led to several conclusions:

1. Microbes can be blocked from accessing favorable growth environments. The S-shaped necks prevented airborne microbes from entering the flasks, demonstrating that microorganisms require a suitable environment to grow.
2. Microbial life can be destroyed by heat. Pasteur heated the broth in the flasks, killing any existing microorganisms present. This suggested that heat can kill microbes.
3. Microorganisms can be present in nonliving matter, such as air, liquids, and solids. Although Pasteur's experiments did not address the origin of microbial life, they supported the idea that microorganisms can exist in nonliving materials.
4. Pasteur's observations support the theory of biogenesis. The results of his experiments contradicted the theory of spontaneous generation and instead supported the concept of biogenesis, which states that living organisms arise from other living organisms.

Learn more about Pasteur's experiments using S-shaped neck flasks here:

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Answer:

1.C

2.A

3.D

4.D

5.B

6.A

7.B

8.A

9.B

10.A

Explanation:

Answer:

sting rays, lamphreys and trout

Explanation: