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12345 [234]
2 years ago
6

When observing a group of children at a daycare center, Emily made the following observations:

Biology
2 answers:
aksik [14]2 years ago
8 0
The answer is a. five year olds have a longer attention span which means that they can do one activity for a longer amount of time. three year olds are easily distracted so it would be more beneficial to keep them intrigued with multiple short activities.
IceJOKER [234]2 years ago
7 0

Answer:

the answer is a

Explanation:

you can read twice. it show the 5 year emily have longer attention. thay why he see 3 year children go around

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In a population with two alleles, B and b, the allele frequency of B=0.59. What would be the frequency of the heterozygotes if t
Levart [38]

Answer:

0.483

Explanation:

The given population is in Hardy-Weinberg equilibrium. If the gene has two alleles, the sum total of the frequencies of these two alleles will be one.  

Therefore, the total of the frequency of allele B and frequency of allele b will be 1. f(B) + f(b)=1

If the frequency of allele "B" is 0.59, then the frequency of allele "b" will be=1-0.59= 0.41

The frequency of heterozygous genotype in the population= 2pq

p= frequency of the dominant allele

q= frequency of the recessive allele

So, 2pq= 2 x 0.59 x 0.41 = 0.483

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3 years ago
How would decerasing the time it takes you to run a certain distance affect your speed ?
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Describe the importance of biomes such as forests, freshwater, and marine biomes? How have human actions affected these biomes?
Allisa [31]

Forest biome:  It gives us medicinal plants, woods for commercial purpose. Forests provides us rubber and fibers that is very important for the industries for making various products. They also contribute to perform ecological  functions such as carbon storage, nutrient cycling, water and air purification. It also provides habitat to the wildlife.

Freshwater biome:  We use fresh water for drinking water, irrigation, sanitation systems, and in industrial factories. Water used from groundwater, rivers and lakes is regained by rain and snowfall.

Marine biome:  It serves huge amount of oxygen into the environment and absorbs the atmospheric carbon dioxide.

As a result of the activity of human there is a significant decrease in the number of trees. The products now used are synthetically made which were made up of natural fibers previously. The water source such as rivers, lakes, and ponds are polluted due to which many water borne diseases are increasing day by day. The accumulation of waste which are found in marine biome are reducing the number of flora present inside marine ecosystem.

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3 years ago
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Which stage of cellular respiration produces the most atp?
ankoles [38]

Answer:

Electron transport Chain (Oxidative phosphorylation)

Explanation:

Cellular respiration can be defined as the process that involves the breakdown of glucose molecules into CO2 and H2O to generate energy inform of Adenosine Triphosphate (ATP).  Also, cellular respiration usually takes place in the cells of an organism by converting biochemical energy present nutrients into Adenosine Triphosphate. Furthermore, it takes place in three stages which includes: glycolysis, TCA cycle and Electron transport (Oxidative phosphorylation). Thus, oxidative phosphorylation is the final stage of aerobic cellular respiration that produces maximum ATPs.

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