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Anika [276]
4 years ago
15

Living systems are incredibly diverse in size, shape, environment, and behavior. It is estimated that there are between 10 milli

on and 100 million different species. Despite this wide variety of organisms, it remains difficult to define what it means to say something is alive. Which of the following can be described as the smallest living unit?
A.) Organelle
B.) DNA
C.) Protein
D.) Cell
Biology
1 answer:
lisov135 [29]4 years ago
5 0

Answer:

Cell

Explanation:

Cells are the structural and functional unit of life. Irrespective of species, all the organisms are made of one or more cells. Unicellular organisms such as bacteria have a single cell in their body while the body of multicellular organisms has many cells. A cell is able to perform vital life processes such as reproduction, nutrition, metabolism, excretion, growth, and sensitivity to surroundings.

These life processes are not performed by non-living things. Cells have organelles and macromolecules such as DNA, proteins, etc.  However, these organelles and molecules do not exhibit vital life processes unless they are present in the cells. Therefore, cells are the smallest unit of life.

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Endocrine system: the endocrine system is made up of the cells, tissues, and organs that secrete hormones into body fluids such
solong [7]

<u>Function: -</u>
The advancement of the central nervous system, the growth and operation of the reproductive organs, and also the metabolism and blood sugar level, are all regulated by the endocrine system, which is made up of all the various hormones produced by the body from conception and via adulthood and into old age.

Metabolism- The alterations in an organism's or a cell's chemistry. These modifications generate the ingredients and energy that cells and organisms require to develop, procreate, and maintain health. Anabolism and catabolism are components of metabolism.

Hormones- Chemicals called hormones function in the body as messenger molecules. They are created in one area of the body and then go to other areas where they assist regulate how cells and organs function.

To know more about the Endocrine System, click on the below link,

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4 0
1 year ago
Which situation is an example of competition that could be found in the grassland?
Leni [432]
The answer is A. This is the only grassland competition.
8 0
3 years ago
Read 2 more answers
According to Selye (1956, 1974), which stage of reaction to stress stimulates the body to send messages from the hypothalamus to
Brums [2.3K]

Answer:

The alarm reaction stage

Explanation:

According to Selye, there are three stages of reaction to stress conditions. These are namely the alarm reaction stage, the resistance stage, and the exhaustion stage.

The alarm reaction stage is the first stage of stress reactions which includes perception of stress conditions. The hypothalamus sends signals to the associated glands and organs to prepare for the defensive responses.

The adrenal gland receives a signal to secrete the stress hormones while organs such as the liver are signaled to increase the glucose formation which in turn would serve as fuel during stress conditions.

7 0
3 years ago
Uranus was originally thought to be the star Sagittarius A*.<br> True<br> False
docker41 [41]

Answer:

I think it's true

Explanation:

I'm so sorry if that's wrong

8 0
2 years ago
How many calories are in an average trick-or-treaters halloween stash?
Vera_Pavlovna [14]

The number of calories on a Halloween stash depends on the type of candies and the number of units of each. If the stash contains 5 units of each of these candies: chocolate bars, taffies, lollypops, and candy corn the total number of calories is 1,650.

Calories are the most common unit used to define the energy a specific food gives to your body. For example, an apple has 52 calories, while a banana has 89 calories.

Considering this, in a Halloween stash the calories depend on two factors:

  • The types of candies or products
  • The units of each one

Let's suppose there are 5 units of each of the following candies:

  • Chocolate bars
  • Taffies
  • Lollypops
  • Candy corn

Let's now calculate the calories

  • Chocolate bars = 220 calories x 5 units =  1,100 calories
  • Taffies = 20 calories x 5 units = 100 calories
  • Lollypops = 83 calories x 5 units = 415 calories
  • Candy corn = 7 calories x 5 = 35 calories

Add all the previous results:

1,100 + 100 + 415 + 35 = 1,650 calories in total

Learn more in brainly.com/question/22374134

8 0
3 years ago
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