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algol13
2 years ago
5

Many examples that support the theory of evolution exist as the result of either artificial selection, which are typically _____

______, and natural selection which are typically ________________.
Biology
1 answer:
Gwar [14]2 years ago
3 0

Many examples that support the theory of evolution exist as the result of either artificial selection, which are typically, changes imposed by humans and natural selection which are typically changes imposed by environment.

There are other types of selection besides natural selection that exist in the universe. Natural selection is a process that rewards heritable features that boost an organism's chances of survival and enable it to reproduce more. Darwin chose the term "natural selection" to be in contrast with "artificial selection," in which animal breeders select for specific traits that they deem desirable. In natural selection, it's the natural environment, natural breeding practices, and natural genetics that drive species to evolve and change naturally without human interference. Artificial selection, also known as "selective breeding," is where humans select for desirable traits in agricultural products or animals.

Learn more about the topic theory of evolution athttps://brainly.com/question/4207376

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Can someone explain Meiosis 1 and II to me like I'm a baby? (i really don't understand it!) 15 pts
topjm [15]

Answer:

Meiosis 1 is when the homologous chromosomes separate and crossing over occurs. Meiosis 2 is when the sister chromatids seperate and produces 4 haploid daughter cells.

Explanation:

The phases of Meiosis 1 are, Interphase, Prophase 1, Metaphase 1, Anaphase 1, Telophase 1 & Cytokinesis.

Interphase: DNA is replicated and organic material is synthesized.

Prophase 1: Chromosomes pair up

Metaphase 1: Crossing Over occurs and chromosomes line up at the equator.

Anaphase 1: Chromosomes pull apart

Telophase 1 & Cytokinesis: Cell pinches to both sides and begins to pull apart as the cytoplasm is copied.

The phases of Meiosis 2 are, Prophase 2, Metaphase 2, Anaphase 2, Telophase 2 & Cytokinesis.

Prophase 2: Two daughter cells are formed

Metaphase 2: Chromosomes line up at equator of both cells.

Anaphase 2: Sister chromatids are pulled apart in each cell.

Telophase 2 & Cytokinesis: The cells pinch to both sides as the cytoplasm is replicated and four granddaughter cells are formed.

3 0
3 years ago
Bauxite is an ore that is mined extensively. What makes bauxite a valuable ore?
Lady_Fox [76]

Answer:

C

Explanation:

Bauxite is the most common aluminum ore. Approximately 98% of primary aluminum production is based on bauxite. In the former Soviet Union, aluinite and kaolinite are also used in small proportions for aluminum production. Bauxite is a naturally occurring, heterogeneous material composed primarily of one or more aluminum hydroxide minerals plus various mixtures of silica, iron oxide, titania, and other impurities in trace amounts. The principal aluminum hydroxide minerals found in varying proportions within bauxite are gibbsite (trihydrated) and boehmite and diaspore (both monohydrated). The content of aluminum oxide is 30–60%. Bauxite is generally extracted by open cast mining from strata, typically 4–6 m thick under a shallow covering of topsoil and vegetation (Table I).

6 0
3 years ago
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White raven [17]

Answer:

C. Both continuous variation and discontinuous variation

Explanation:

<em>this was the answer on my quiz a couple days ago</em>

3 0
3 years ago
Read 2 more answers
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elena-s [515]

Answer:

b. Many plants grow, because a lot of rain falls each year.

Explanation:

i hope this helps

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3 years ago
How does the central bank Control branch ​
11Alexandr11 [23.1K]

Answer:

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Explanation:

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