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earnstyle [38]
3 years ago
14

Please help it’s urgent!!

Biology
1 answer:
ioda3 years ago
5 0
Altostratus would be a mid level blanket cloud and cumulus would be cottonball, fluffy clouds
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PLEASE HELP!! 36 POINTS!!!
Serhud [2]

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.

5 0
2 years ago
You observe a yellow zone surrounding growth on mannitol salt agar. What does this indicate about the organism
marissa [1.9K]

Answer:

The organism is able to ferment mannitol.

Explanation:

8 0
3 years ago
Cual es la relacion entre la disponibilidad y el consumo de recursos renovables y no renovables entre los paises desarrollados y
Crazy boy [7]

Answer:

Diferente.

Explicación:

La relación entre la disponibilidad y el consumo de recursos renovables y no renovables entre países desarrollados y en desarrollo es diferente debido a la presencia de tecnología que permite a los países desarrollados utilizar sus recursos renovables y no renovables disponibles. Los países desarrollados están más avanzados que los países en desarrollo en el campo de la tecnología y también la economía, por lo que pueden utilizar recursos renovables en comparación con los recursos no renovables.

4 0
3 years ago
Life is hard *sigh* :/
wariber [46]

Answer:

sure is

Explanation:

im gonna go to 10th grade after finals thays in 10 days :) someone save me T _T

3 0
2 years ago
How does the equations of photosynthesis and aerobic respiration compare
emmasim [6.3K]
In scientific equations<span>, </span>photosynthesis<span> takes carbon dioxide from the air, water and sunlight to create sugar. After this happens, oxygen is released back into the air. Cellular </span>respiration<span> takes these same sugars and combines them with oxygen to release the energy as ATP.</span>
3 0
3 years ago
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