1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sdas [7]
3 years ago
10

How would a scientist have made the distinction between a unicellular and a multicellular organism in the 17th century(1600s), t

he mid-20th century(1900s), and in the 21st century
Biology
1 answer:
Drupady [299]3 years ago
5 0

Using a microscope

Explanation:

A microscope is a scientific device used for magnifying and studying very tiny features.

It was invented by Anton Von Leeuwenhoek in the 17th century.

  • A unicellular organism is an organism made up of a single cell.
  • A multi-cellular organism is made up of several cells.
  • A cell is a very small microscopic structure.
  • It is usually described as the fundamental unit of life.
  • Due to its small size, the naked eyes cannot see it
  • The invention of the microscope opened up the world of cells.
  • Since they have been around for a long time, distinction of cells would have been made possible at those times using a microscope.

learn more:

Microscope brainly.com/question/4065308

#learnwithBrainly

You might be interested in
In Drosophila, the genes for body coloration and eye size are on different chromosomes. Normal-colored bodies are dominant to eb
hammer [34]

Answer:

150.

Explanation:

150 flies are expected to have normal body color and to be eyeless in F2 generation. The reason for that population is the ratio of the species produced. The ratio of the species are 9:3:3:1. Ratio 9 refers to first parent while 1 refers to second parent and the middle 3's represent the hybrid formed. So the population of first parent is 450 and population of second parent is 50 while the population of two hybrids are 150 each.

3 0
3 years ago
A solution that is 100 times less acidic than a solution that is pH 2 would<br> have a pH of
hammer [34]
I believe it would be 3 because the higher the number the less acidic and the more basic it is.
8 0
3 years ago
I need help please <br> Is it b , a , both or neither
qwelly [4]

Answer:

my guess would be neither because its just saying "cancerous" not which type but im not sure..

Explanation:

8 0
3 years ago
Read 2 more answers
lidentity the cell organelles found only in plant cells and those found in boyh animal and plant cells
Svetach [21]

Answer:

cell wall is found only in plant cell

Explanation:

cell wall and chloroplast is found only in plant cell but cell membrane,nucleus cytoplasm, ribosomes etc are found in both plant and animal cell

6 0
3 years ago
Discuss one of the major issues in toxicology from any perspective.
tangare [24]

A controversial issue of toxicology is the use of chemical additives in food.

Food additives are substances intentionally added to foods for the purpose of preserving, enhancing or modifying their physical, chemical, biological or sensory properties without impairing their nutritional value. However, it is necessary to control the use of these substances, as ingestion of these substances may pose health risks.

Additives are found in most processed foods, such as cookies, breakfast cereals, soft drinks, jellies, artificial juices, candies and a host of other foods in the diet of Brazilians, especially children.

Thus, its consumption should be controlled, as the health risk is confirmed by a sum of scientific studies. The three main ills associated with excessive consumption of these substances are cancer, food hypersensitivity and attention deficit hyperactivity disorder.

Some audiences are even more vulnerable to consumption, such as pregnant women, the elderly, people with little food and children under three years. In the case of children the attention should be greater because the digestive and urinary systems are not yet fully prepared to process these substances.

The more industrialized the product, the more chemical additives it will have. The ideal is to prepare fresh products at home. However, as is often not possible, it is important that you read the label and choose the products with the least additives.

8 0
3 years ago
Other questions:
  • Which are factors of rock types that affect the rate of weathering? Select three options
    15·1 answer
  • Why is water important for digestion
    13·1 answer
  • Please help with this!!:
    5·1 answer
  • One company states that it makes the best staplers. To prove it, they use the stapler to staple a thousand papers and compare it
    5·2 answers
  • Directional selection only occurs in response to naturally occurring events.
    15·2 answers
  • What is the greatest issue facing society that results from the development of new applications of cell technology?
    10·2 answers
  • The ribosomes produce proteins which.are carried through the cell by the
    13·1 answer
  • I am confused how to do this Cladogram Chart
    9·1 answer
  • How do the number of protons neutrons and the mass number relate to each other?
    5·2 answers
  • Pls help question is in picture
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!