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GuDViN [60]
3 years ago
11

What is flooding and what causes it? How did flooding help people and agriculture in some civilizations? this is in science by t

he way i cant find science as a subject if u know pls let me know
Biology
2 answers:
Sedbober [7]3 years ago
7 0

Answer:

Flooding is when water rises up and it can causes damage a lot of things.

Flooding help people in agriculture because the water cause the dirt to become soil

Explanation:

Brums [2.3K]3 years ago
7 0
Flooding is caused by rain ‍ .
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if a flower were orange would it more likely be pollinated by insects or by the wind give at least one reason for your answer
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PLEASE HELP!! 36 POINTS!!!
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Answer:

Natural selection can cause microevolution (change in allele frequencies), with fitness-increasing alleles becoming more common in the population.

Fitness is a measure of reproductive success (how many offspring an organism leaves in the next generation, relative to others in the group).

Natural selection can act on traits determined by alternative alleles of a single gene, or on polygenic traits (traits determined by many genes).

Natural selection on traits determined by multiple genes may take the form of stabilizing selection, directional selection, or disruptive selection.

Introduction

We've already met a few different mechanisms of evolution. Genetic drift, migration, mutation...the list goes on. All of these mechanisms can make a population evolve, or change in its genetic makeup over generations.

But there's one mechanism of evolution that's a bit more famous than the others, and that's natural selection. What makes natural selection so special? Out of all the mechanisms of evolution, it's the only one that can consistently make populations adapted, or better-suited for their environment, over time.

You may have already seen natural selection as part of Darwin’s theory of evolution. In this article, we will dive deeper – in fact, deeper than Darwin himself could go. We will examine natural selection at the level of population genetics, in terms of allele, genotype, and phenotype frequencies.

Quick review of natural selection

Here is a quick reminder of how a population evolves by natural selection:

Organisms with heritable (genetically determined) features that help them survive and reproduce in a particular environment tend to leave more offspring than their peers.

If this continues over generations, the heritable features that aid survival and reproduction will become more and more common in the population.

The population will not only evolve (change in its genetic makeup and inherited traits), but will evolve in such a way that it becomes adapted, or better-suited, to its environment.

Explanation:

Here's my notes, i used and got it correct.

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2 years ago
Explain how just a change of one amino acid has such an effect in the body
vekshin1
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3 years ago
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uysha [10]

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