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maria [59]
3 years ago
6

Which event would be the result if populations of producers in an ecosystem became unstable?

Biology
1 answer:
pychu [463]3 years ago
5 0

Answer:

ccccccccccccccccccccccccccccccc ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccv

Explanation:

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In which process do the chromosomes line up in homologous pairs in the center of the cell?
dalvyx [7]

A. Meiosis

This is the correct answer

4 0
3 years ago
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Which disappears more rapidly from a population, a deleterious dominant allele or a deleterious recessive allele?
Allisa [31]

Answer:

Selection is a directional process that leads to an increase or a decrease in the frequency of genes or genotypes. Selection is the process that increases the frequencies of plant resistance alleles in natural ecosystems through coevolution, and it is the process that increases the frequencies of virulence alleles in agricultural ecosystems during boom and bust cycles.

Selection occurs in response to a specific environmental factor. It is a central topic of population and evolutionary biology. The consequence of natural selection on the genetic structure and evolution of organisms is complicated. Natural selection can decrease the genetic variation in populations of organisms by selecting for or against a specific gene or gene combination (leading to directional selection). It can increase the genetic variation in populations by selecting for or against several genes or gene combinations (leading to disruptive selection or balancing selection). Natural selection might lead to speciation through the accumulation of adaptive genetic differences among reproductively isolated populations. Selection can also prevent speciation by homogenizing the population genetic structure across all locations.

Selection in plant pathology is mainly considered in the framework of gene-for-gene coevolution. Plant pathologists often think in terms of Van der Plank and his concept of "stabilizing selection" that would operate against pathogen strains with unnecessary virulence. As we will see shortly, Van der Plank used the wrong term, as he was actually referring to directional selection against unneeded virulence alleles.

4 0
3 years ago
Organic phosphate is taken up by producers during photosynthesis and released by cellular respiration.
Zina [86]

Answer:

true

Explanation:

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4 0
3 years ago
What is the temperature shown on the thermometer?
VLD [36.1K]

Answer:

22

Explanation:

the thermometer goes by 2

3 0
2 years ago
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All pigments in the chloroplast can absorb sunlight and can participate directly in photosynthesis. What is your opinion about t
S_A_V [24]

Answer:

One very important chlorophyll is chlorophyll a. All photosynthetic organisms (except a few groups of bacteria) have this as their main photosynthetic pigment. It is important because only it can participate directly in the light reactions, which convert solar energy to chemical energy.

Explanation:

Hope it helps u.

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5 0
3 years ago
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