Similar gill pouches in embryos of a chick, human, and cat are an example of

1 answer:

algol133 years ago

6 0

This is an example of developmental homology. Studying embryological development of living things provides clues to the evolution of present-day organisms. During some stages of development, organisms exhibit ancestral features in whole or incomplete form. Homologous structures are those structures whose underlying similarity arises from their being derived from a common ancestral origin while analogous structure are those whose similarity comes from their performing of a similar function.

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Genetic engineering is best described as:

Serjik [45]

Answer:

D. changing the DNA of a living thing to change its characteristics.

Explanation:

Genetic engineering is the process of using recombinant DNA (rDNA) technology to alter the genetic makeup of an organism. Traditionally, humans have manipulated genomes indirectly by controlling breeding and selecting offspring with desired traits.

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3 years ago

which of these features is most likely formed as a result of the movement of earth plates in the diagram?

aksik [14]

Answer:

A is the Answer

Explanation:

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3 years ago

Explain how heat is loss underwater. <br><br>Make explanation as short as possible.

Sphinxa [80]

Answer:

Any time a body is in an environment that is colder than 98.6 F (37 C), heat is lost. And since the heat loss in water is 25 times faster than to air, this may occur fairly quickly.

Explanation:

hope it helps?

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3 years ago

What structures are responsible for the movement of chromosomes to the center of the cell in metaphase and their separation in a

Rudik [331]

The structures that are responsible for the movement of chromosomes to the center of the cell in metaphase is the spindle fibers, the cell attaches the centromeres to the spindle fibers to pull the sister chromatids to the center

In anaphase the sister chromatids are separated at the centromere and are pulled to the opposite poles of the cell by the spindle fibers

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3 years ago

Describe Professor Kwang Jeon’s observations of the amoebas and bacteria and explain how this relates to endosymbiotic theory.

jenyasd209 [6]

<span>Professor Kwang Jeon observed that some amoebas in his invaded amoeba colonies survived thanks to changes made by the invading bacterias. This comfirmed the endosymbiotic theory that organells are formerly invading free living prokaryotes forms that were integrated and swallowed by others to form a new living unit.</span>

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3 years ago

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