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maxonik [38]
3 years ago
10

What did Darwin hope to learn about artificial selection by studying pigeons?

Biology
1 answer:
Alborosie3 years ago
6 0
Darwin's plans to find out about simulated choice by examining pigeons is that he needed to learn whether you can change the entire species taking after that particular pigeon into another type of pigeons. I hope the answer will help you. 
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Sort the descriptions based on whether they are related to asexual reproduction or sexual reproduction
miss Akunina [59]

Answer:

Sexual Reproduction:

  1. Creates genetically unique offspring.
  2. Organism needs time to  reach adulthood and to reproduce.
  3. Requires the contribution of two parents.

Asexual Reproduction:

  1. Creates genetically identical offspring.
  2. Organism doesn't have to waste energy to find a mate.
  3. Requires the contribution of a single parent.

Explanation:

Sexual Reproduction:

  • Sexual reproduction involves the fusion of a male and female gamete. A gamete is a haploid cell that contains half of the chromosomes as in the parent cell. This process is called fertilization and it results in the formation of a zygote, a diploid cell that develops into an embryo and ultimately an individual.
  • Sexual reproduction involves two parents, each of which contributes one set of chromosomes (23) to the offspring.

Asexual Reproduction:

  • Asexual reproduction produces an exact copy of one single parent. Offspring produced through asexual reproduction do not possess genetic variation.
  • Asexual reproduction occurs through four processes:
  1. Binary fission
  2. Fragmentation
  3. Budding
  4. Parthenogenesis

7 0
3 years ago
The ___________ is a wall of muscle that separates the thoracic and abdominal cavities.
Alecsey [184]
I am pretty sure it is B. diaphragm hope it help
4 0
3 years ago
Flextime, telecommuting, and __________ are three practices that are growing in popularity.
Dafna1 [17]

We are tasked to find the third term that constitute to a three best practices that are growing in popularity. The two terms refers to the kind or method of work to be done by the employees. Thus, the best term to the space provided is the term called Job Sharing. Job Sharing simply distribute the work load by two or more employees in order to finish time job on time.

8 0
3 years ago
PLS HELP BRAINLIEST TO FIRST ANSWER Study the graph about seismic waves.
nikdorinn [45]
The answer is B- The P wave travels through the earth’s crust more quickly than the S wave travels.

This is because the P wave reaches the same point that the S wave does faster. According to the graph, the P wave reaches 10,000 km in about 5-10 minutes, while the S wave takes about 25 minutes to reach the same distance.
6 0
3 years ago
Read 2 more answers
Explain why a gene pool cannot be made up of only one individual
Ira Lisetskai [31]

Answer:

All the possible alleles for a gene with multiple alleles cannot be expressed by single individual

Explanation:

Gene pool refers to the sum total of all the alleles of all the genes which are present in a population. Human beings are diploid organisms. One individual can have only two possible alleles for a gene. A gene can have two or more than two alleles. Since all the possible alleles for a gene with multiple alleles cannot be expressed by single individual, a gene pool cannot be made of one individual.

4 0
3 years ago
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