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
vfiekz [6]
3 years ago
8

Pls help i dont understand :( Will give Brainliest + 25 Points!!!

Biology
1 answer:
Trava [24]3 years ago
8 0
B. Facilitated diffusion.

Facilities diffusion is a type of passive transport that invokes a protein. molecules move from an area of high concentration to low concentration as seen in the picture with the help of a protein.
You might be interested in
Helpppoppppp please
Mrac [35]

Answer:

rly just move the boxes click on them than click and hold and drag across the board or click on it and hit <--backspace

Explanation:

3 0
3 years ago
Explain how seasonal fires benefit grassland ecosystems.
Soloha48 [4]

Answer:

Without fires, there would be no life on Earth . Fires are key to maintaining the proper oxygen concentration in the atmosphere; fire regulates the carbon cycle and life, as we know it, is based precisely on carbon

Explanation:

Although we tend to think of fires as a human invention that kills plants, animals, people, fire, as with rain or wind, is an essential natural component, basic to maintain the planet's biodiversity.

As for example, grassland ecosystems are also benefited by the same fires that allow renewal, and generate natural sustainability on the earth through the carbon cycle.

3 0
3 years ago
Which statement is true regarding active transport? Group of answer choices Substances do not require additional energy to move
lesya692 [45]

Answer:

substances can move from areas of low concentration to areas of high concentration

Explanation:

usually substances move across their concentration gradient which is from high concentration to low concentration. Active transport can allow substances to move against their concentration gradient.

7 0
3 years ago
What is the name of the small flap of tissue that seals off the trachea during swallowing?
vekshin1
The answer is epiglottis.
8 0
3 years ago
I need help on this question
antiseptic1488 [7]
It would be hypotonic so the second one
5 0
2 years ago
Other questions:
  • When can exponential growth happen?
    11·2 answers
  • Once someone has a sensory cell, they have that cell for life.
    15·2 answers
  • g Riboswitch is a mechanism of gene activity regulation by mRNA conformation. Riboswitch can regulate ______.
    11·1 answer
  • Blue jays and robins do not interbreed. Assuming the blue jays and robins share the same habitat, describe the possible conditio
    14·1 answer
  • What have the ability to neutralize antigens?
    8·1 answer
  • Meiosis Foldable Activity 515.2
    14·1 answer
  • Please help I can’t figure this out
    5·1 answer
  • 14. A scientist make an experiment with 12 green plants, he placed 3 in a window
    10·2 answers
  • An incomplete diagram of the rock cycle is shown below. Use the labels to correctly complete the diagram.
    15·2 answers
  • What are the best conditions for ginger root to grow?.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!