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g100num [7]
3 years ago
6

Kathy used a survey to determine how many of her classmates were left-handed and how many were right-handed.

Biology
1 answer:
padilas [110]3 years ago
6 0
C. Test the hypothesis with an experiment because her survey was an experiment to prove/disprove her hypothesis
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In pea plants, the allele for round seeds is dominant to the allele for wrinkled seeds. If a plant that is heterozygous for seed
Harman [31]

Answer:

50%

Explanation:

According to this question involving a gene coding for seed shape in pea plant, the allele for round seeds (R) is dominant to the allele for wrinkled seeds (r). This means that a heterozygous pea plant (Rr) will have a round seed shape.

If a plant that is heterozygous for seed type (Rr) is crossed with one that has only homzygous wrinkled seeds (rr), the following gametes will be produced by each parent plant:

Rr - R and r

rr - r and r

Using these gametes in a punnet square (see attached image), the following proportions of offsprings will be produced:

Rr, Rr, rr and rr

Rr = round seed offsprings

rr = wrinkled seed offsprings

Since 1 out of 2 offsprings has wrinkled seeds, 1/2 × 100 = 50% is the percentage of offsprings expected to have wrinkled seeds.

5 0
4 years ago
Zero population growth occurs when a population has the same number of individuals entering the population (births) as those lea
horrorfan [7]

The year in which the deer population closest to ZPG is in 1971

That year the population of deer closest to Zero population

<h3>Living organisms </h3>

Living organisms; be it plants or animals are any organic or living system composed of cells and function as an individual entity.

  • All living organisms share a number of key characteristics or functions such as movement, respiration, homeostasis, reproduction, growth, evolution, competition and others.

  • Animals and plants also posess systems such as the digestive, skeletal, transport, nervous, excretory, respiratory and reproductive system.

  • Living organisms are also taxonomically classified as either unicellular microorganisms or multicellular plants and animals

So therefore, the year in which the deer population closest to ZPG is in 1971

Complete question:

Zero population growth occurs when a population has the same number of individuals entering the population (births) as those leaving the population (deaths). In which year, was the deer population closest to ZPG?

Learn more about living organisms:

brainly.com/question/17259533

#SPJ1

8 0
2 years ago
Location, structure, function of xylem tissue​
kati45 [8]

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The xylem is located in the root, stem and the leaves of a plant.

The xylem contains dead cells arranged end-to-end forming continuous vessels. They have a hollow central space (lumen)  through which water passes. They walls contain lignin.

The xylem carries water and minerals, up from the roots to the rest of the plant.

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3 years ago
Hich substance would not normally be expected in urine?
Aleksandr [31]
Can you give me A B C and D?
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Which of the following is the most likely way to get bacteria and viruses to enter a water supply
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Lack of proper sanitation facilities and water drainage system can cause merging of fresh water with the sewage and allow bacteria, viruses and various other microbes to enter the water supply. This causes infectious diseases.



6 0
3 years ago
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