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sveta [45]
3 years ago
9

Which of the following is a concept of the cell theory? A. Only higher organisms are composed of cells. B. A cell is the basic s

tructural and functional unit of living organisms. C. Simple cells can arise spontaneously from rotting vegetation. D. The subcellular organelle is the basic unit of life.
Biology
1 answer:
Reika [66]3 years ago
3 0

Answer:

The answer is B. A cell is the basic structural and functional unit of living organisms.

Explanation:

Cell theory is a fundamental part of biology that explains the constitution of living matter based on the cell and the role they play in the constitution of life. This theory specifies how cells are fundamental and important for the existence of life and how they determine the most important characteristics of living beings.

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Austin is in a study related to Mary Ainsworth's theory of mother-infant attachment. He is securely attached. Therefore, he show
Vesna [10]

Austin who was securely attached in Mary Ainsworth's theory of mother-infant attachment likely showed confidence in his caregiver's ability to protect him.

Options to this question were not provided. However, it is worthy to note that Mary Ainsworth's theory of mother-infant attachment classifies the relationship that children have with their caregivers as; Secure, Resistant, and Avoidant.

The Securely attached children are distressed when their mother is absent, they avoid strangers when their mother is not around but become friendly to strangers when their mothers are present.

They are also happy when their mother is around.

Generally, these sorts of children are confident and exhibit high self-esteem. So, Austin must have displayed some of these qualities.

Learn more about Secure Attachment here:

brainly.com/question/24726649

6 0
2 years ago
What are brownfields​
Daniel [21]

The lands which are lef unuse after  it is affected by environmental contamination.

<u>Explanation:</u>

  • Brownfields are abandoned or unused fields where reuse is hindered by real or observed environmental contamination. The places may include localities destroyed by hazardous materials, petroleum or mine-scarred land.
  • Brownfields are found in a city or town's manufacturing section, on areas with discontinued factories or industrial buildings, or other earlier contaminating operations like steel millhouses, refineries or landfills. It is mainly found in urban cities where there is normally a stronger potential to redevelop these localities.
  • Some of the most frequent contaminants known at Brownfield sites are from fuels such as grease, propellant, diesel and kerosene from subterrene storage tanks, floor drains, External storage of barrels and machine, and cleaning solvents.
3 0
3 years ago
In Western Pennsylvania, and many other areas, deer are becoming a pest.<br> a.) True<br> b.) False
Alexeev081 [22]
True I think not all the way sure
8 0
3 years ago
A small island is home to a unique population of land snails. This population was founded by 10 individuals that floated to the
vekshin1

Answer:

  • The Island population likely has fewer alleles-that is versions of genes-than the mainland population.

       A- Agree <u>B- Disagree</u>

  • Genetic drift is more pronounced in the island population than in the mainland population in these first few generations

       A- Agree <u>B- Disagree</u>

  • Some harmful traits may have become more common in the island population than in the mainland population

       <u>A- Agree</u>- B- Disagree

  • Biologist observed genetic drift but not evolution

       <u>A- Agree</u> B- Disagree

Explanation:

If there was genetic drift, then allele frequency either increased or decreased by chance, irrespective of natural selection that is irrespective to weather those alleles helped individuals survive in the island environment. In molecular genetic data, there are statistical signature in the  population variation that indicate weather selection or other processes occurred.

7 0
3 years ago
What are two of the things human ancestors used the sky for?
melisa1 [442]

Answer:

Explanation:I know Th at one of the reasons is that they would look at the sun to tell time.

3 0
3 years ago
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