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
dusya [7]
3 years ago
14

What is the definition of the oxygen cycle?

Biology
2 answers:
Blababa [14]3 years ago
6 0
The oxygen cycle<span> is the biogeochemical </span>cycle<span> of</span>oxygen<span> within its three main reservoirs: the atmosphere (air), the total content of biological matter within the biosphere (the global sum of all ecosystems), and the Earth's crust.</span>
Nikitich [7]3 years ago
3 0
The process by which oxygenreleased into the atmosphere by photosynthetic organisms is taken up by aerobic organisms while the carbon dioxide released as a by-product of repiration is taken up for photosynthesis. Origin ofoxygen cycle Expand.
You might be interested in
Hormones are _____.
serious [3.7K]

Answer:

The correct is B Hormones are chemical signals between cells transported in blood or hemolymph.

Explanation:

Hormones are called chemical messenger of the cell because they transmit chemical information from one cell to the target  cell and regulating the functioning of that target cell by activating specific proteins related to the functioning of that target cell.

          Hormone is secreted from its source gland such as Pituitarygland, thyroid gland,adrenal gland.After being secreted hormones are transported via the blood stream to the target cell and binds to receptor of that target cell thus allowing the target cell to exert its biological function.

4 0
3 years ago
Proteins that are part of a lipoprotein complex are called
kumpel [21]
Those proteins are called apolipoprotien.
5 0
3 years ago
As Darwin sailed around South America, he had opportunity to compare the ____________ of the grasslands with the animals commonl
Arada [10]

Answer:

Patagonian hares

Explanation:

8 0
2 years ago
Level of body organization occupied by a bone
marusya05 [52]
A bone is tissue. It forms a part of the skeletal system which is made up bones, joints, ligaments and cartilage. Cells work together in groups known as tissues. A tissue is defined as a group of similar cells working together to carry out a certain task. Examples are skin, bone, blood. Tissues in turn are grouped together to form organs. An organ is defined as a group of tissues that work together to carry out a certain task . Examples are heart, lungs, liver.
8 0
3 years ago
Define the term peristalsis and explain why is it so important
satela [25.4K]

Answer:

Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. ... There, the food is churned into a liquid mixture called chyme that moves into the small intestine where peristalsis continues. Stretching out a piece of intestine will make it easier to see the wave-like motion

3 0
2 years ago
Read 2 more answers
Other questions:
  • The monomer for carbohydrates is
    11·2 answers
  • Drag the tiles to the correct boxes to complete the pairs.
    9·1 answer
  • Scientist a set of genetic information for each form as a?
    11·1 answer
  • Ryan is looking at a cell under a microscope, he observes formation. he observes spindle microtubules from the centrosomes. whic
    10·2 answers
  • Oswald and Avery repeated Griffith’s work in 1944. What were they trying to figure out?
    9·1 answer
  • In the water cycle, the process of occurs between the processes of evaporation and precipitation.​
    9·1 answer
  • List three contributing factors of an eating disorder Plzz help ASAP
    6·2 answers
  • What is the answer please help no links I will report
    15·1 answer
  • Hdhdhdbhdhdhdhdhhdhffhfhchuc
    10·1 answer
  • In some oceans, large underwater mountains exist. Corals inhabit some areas of these underwater mountains but not others. Scient
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!