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1 year ago

Explain Natural Selection

2 answers:

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The process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.

Ulleksa [173]1 year ago

5 0

Answer:

Those who adapt, survive. Those who don't adapt, die off. Offspring with healthy mutations, (evolution), outlive their siblings who slowly die off in ways from the mundane to the horrifying. They have children who then repeat this process. It is a dog-eat-dog world.

Explanation:

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When do cells duplicate their DNA?

Leno4ka [110]

Answer:

dont know raadi solve your self

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2 years ago

Read 2 more answers

Contrast the genetic content and the origin of sister versus nonsister chromatids during their earliest appearance in prophase I

Bogdan [553]

Answer:

Sister chromatids are identical forms of chromatids of a chromosomes. They are mostly formed by semi-conservative replication of DNA molecule of a single chromosome.Thus they are like 'photocopies' of original parent chromosomes; joined together at the Centromere.

They are exactly similar in all ramification; with the same gene and allele compositions..

However; slight differences arise between the two identical sisters due to mutation from errors at replication;and also in the length of telomere repeats.

Non-sister chromatids are dissimilar forms of chromatids of a chromosomes formed when each half of a chromosome at fertilisation from separate haploid sex-cells, of each parent. fused.They contain different genetic composition;because they are not on the same homologous chromosomes.Therefore crossing -over ensure variation.

However, they are genetically similar in composition; if they are contained in homologous chromosomes. This is because Synapsis of bivalent of these chromosomes allow genetic material to be shared by chromosomal crossing-over between the non-sister chromatids on the chromosomes ; therefore identical genetic characteristics are shared .

Explanation:

7 0

2 years ago

Essenger rna is usually polycistronic in eukaryotes. messenger rna is usually polycistronic in eukaryotes.

PtichkaEL [24]

It is False because it isnt usually polycistronic in eukaryotes.

Brainliest please

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2 years ago

List five on usefulness of biology

Shalnov [3]

1.
the Changes of the Human Bodies
2. Shapes Different Careers
3. Provides Answers to Large-scale Problems
4. Teaches Concepts on Basic Living
5. Helps in Answering the Fundamental Questions About Life
6. Have another for (good luck) Paves Way for Scientific Investigations

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1 year ago

What incentives does the government offer to

zlopas [31]

The incentive the government offer to business who lower their carbon emission and use alternative energies include:

Renewable Electricity Production Tax Credit (PTC)

Investment Tax Credit (ITC).

<h3>What is Carbon emission?</h3>

This refers to the amount of carbon dioxide when fossil fuel such as coal, crude oil is burnt for different types of reasons.

This is required to be reduced as it is responsible for pollution and global warming being experienced in different parts of the world.

There are several types of incentives offered to businesses in other to encourage them to lower their carbon emission and adopt the use of alternative sources of energy and an example is Investment Tax Credit.

Read more about Carbon emission here brainly.com/question/22916556

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1 year ago