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Harlamova29_29 [7]
3 years ago
12

1. List the 4 basic mechanisms of evolutionary change?

Biology
1 answer:
Lady bird [3.3K]3 years ago
3 0

Answer:

  • natural selection
  • mutation
  • genetic drift
  • gene flow

Mechanisms of evolution correspond to violations of different Hardy-Weinberg assumptions.

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"In proteins, structural segments called ____ provide flexibility that allow parts of the protein to bend, fold, or move."
Rainbow [258]

Answer:

The correct answer is "random coils".

Explanation:

Random coil is a type of polypeptide secondary structure comprised of conformation that do not follow an established conformation but rather are oriented randomly. These random coils conformations provides flexibility to proteins, since the lack of a particular structure (such as alpha helices or beta sheets), allows the protein to bend, fold or move.

4 0
3 years ago
Who is Thomas Malthus and what were some of his theories?
Oliga [24]

Answer:

Thomas Robert Malthus (born 1766) was a British Reverand and Scholar,. He was nfluential in Political Economy and Demography. Between 1798 and 1826 Malthus published six editions of his famous treatise. THOMAS wrote a book called "AN ESSAY ON PRINCIPAL OF POPULATION." He became known for his theories on population and factors on population growth.

Explanation:

3 0
3 years ago
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What is the term that refers to the range of animal and plant species and the genetic variability among those species?
Gemiola [76]

Answer:

Biodervasity.

Explanation:

The term refers to the variety of life on earth.It demonstrates the extent of variation at different levels of species,genetic and ecosystem in a community of organisms.

It not equal in its distribution on earth;but rather varies with the type of ecosystem available and the distribution of biotic and abiotic factors in the ecosystem. For example;

It is highest in the Tropics,due to the species richness and diversity of the region. However, it varies in other ecosystem based on species diversity peculiar to parts of the region .e.g it is highest in the marine ecosystem along the coast of abundant temperature for primary producers.

7 0
3 years ago
A cell with a 3.5% solute concentration is __ to a solution with 1.5% solute concentration.
klemol [59]
Hypertonic would be the correct answer, there is more solute making the cell let out more water, shrinking the cell, therefore being hypertonic.
4 0
3 years ago
Which sex chromosome is more dominant ( X or Y ) ?<br><br>​
Tcecarenko [31]

Answer:

x

Explanation:

The X chromosome is significantly longer than the Y chromosome and contains hundreds more genes. Because the additional genes in the X chromosome have no counterpart in the Y chromosome, the X genes are dominant.

hope it helps , pls mark me as brainliest

6 0
3 years ago
Read 2 more answers
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