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
BARSIC [14]
3 years ago
11

Discuss the importance of oxygen to all living organisms, and describe how three different organisms—human, flatworm, and fern—o

btain the oxygen they need.
Biology
1 answer:
Korvikt [17]3 years ago
4 0
Importance:
                    Oxygen is the third most abundant element and constitute about 21% of the gases in earth's atmosphere. It is a key for generating energy in cellular respiration. In aerobic respiration, electron release in electron transport chain is culminated by oxygen, result into the production of chemical energy.
Oxygen obtained by human:
                                               Human obtain oxygen through respiratory system by applying partial law of diffusion.The partial pressure of oxygen in atmosphere is higher than inside lungs, so oxygen move into lungs in exchange for carbon dioxide.
Oxygen obtained by flatworms:

Oxygen obtained by ferns:

    
You might be interested in
1. Where is the CFTR protein found?
maks197457 [2]

Answer:

CFTR protein is found in the cells lining the lungs

5 0
3 years ago
what canyon exists where an ancient river once flowed. briefly discuss how the hydrosphere and atmosphere have carved this canyo
masha68 [24]
The Grand Canyon is a Canyon that exist where an ancient river once flowed. The hydrosphere (all of water on earths surface.) Slowly eroded away at the rock of the grand canyon until a Canyon was formed this water evaporated into the atmosphere then percerpertated back down creating a cycle that ended with the formation of the grand canyon.
7 0
3 years ago
Question 7 of 30
user100 [1]
A because if you are going down deeper into the ocean, you are going farther away from the sun so it will become colder.
4 0
4 years ago
The primary gas in a volcano is
PtichkaEL [24]
<span><span>Hi JayBo22!
Volcanic gas have water vapor, carbon dioxide and sulfur!
Fun Fact: You can find nitrogen, argon, helium, neon carbon dioxide, hydrogen, and methane.
I hope this helps;)

</span></span>
5 0
3 years ago
Select four of the most innovative sustainable farming practices. efficient irrigation systems minimal use of fertilizers integr
irakobra [83]

Answer:crop rotation efficient irrigation systems minimal use of fertilizers soil and water conservation

4 0
3 years ago
Other questions:
  • Which component of the ready-to-use-therapeutic food (rutf) that dr. manary uses provides essential amino acids?
    12·1 answer
  • Which of the following is not an example of separation by physical means?
    13·2 answers
  • About how much cholesterol is synthesized by the liver every day?
    5·1 answer
  • Need a answer really fast in 10 minutes
    14·2 answers
  • Next, count the number of wooden frames that fill the
    7·1 answer
  • Germs that cause diseases?
    13·2 answers
  • Describe two negative ways that the animals living in the area have been affected by the
    15·1 answer
  • (science) Give at least one example of each of the following
    10·1 answer
  • Based on the image of rock layers and fossils what can you conclude?
    15·1 answer
  • When you type data in a cell and press enter, what cell becomes the active cell?.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!