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
hoa [83]
3 years ago
8

What are the two main processes that ecosystems depend on?

Biology
1 answer:
Mademuasel [1]3 years ago
6 0
Cycling of nutrients and flow of energy
You might be interested in
In the lumen of the proximal tubule, Na concentration is ________ the Na concentration inside the cells of the tubule wall.
nydimaria [60]

Answer:

The correct answer is - higher than

Explanation:

In the lumen of the proximal tubule of the kidney, most of the solutes are absorbed in the form of sodium. There is a gradient of sodium ions which allows the absorption of the solutes from the lumen into the cell.

It is due to the solute or  Na concentration is higher in the lumen than Na concentration inside the cells of the tubule wall. So movement of the solutes is due to the concentration gradient.

3 0
2 years ago
The connection between the mother and the embryo that provides the embryo with oxygen and nutrients and waste disposal is the __
kotykmax [81]
The correct answer among the choices listed above is option D. The connection between the mother and the embryo that provides the embryo with oxygen and nutrients and waste disposal is the placenta. Hope this answers your question. God Bless.
8 0
3 years ago
Read 2 more answers
1. A type of movement of substances across the cell membrane that requires no energy is --
olchik [2.2K]

Answer:

B. facilitated diffusion

Explanation:

8 0
2 years ago
Root hairs are important to a plant because they _____. see concept 35.1 (page 757) root hairs are important to a plant because
andreyandreev [35.5K]
Root hairs are important to a plant because they increase the surface area for absorption. i really hope this helps.
4 0
3 years ago
30 POINTS!!
user100 [1]

Answer:B

Explanation:

6 0
3 years ago
Other questions:
  • A que se debe la forma que tienen las neuronas
    12·2 answers
  • Which best describes organic compounds
    13·1 answer
  • The receptors in the nose send sensory information about odors to the brain through the ___.
    8·1 answer
  • If you wrap your snacks in aluminum foil, will they still be stolen by seagulls at the beach? A. If snacks are wrapped in alumin
    10·1 answer
  • Which statement best describes how enzymes function in the body?
    5·2 answers
  • Endurance athletes who exercise for long periods of time and consume only water may experience a sodium deficit in their extrace
    10·1 answer
  • What is the sequence (from left to right) of the complementary<br> DNA strand?
    14·1 answer
  • Why do vultures wait for there prey
    13·2 answers
  • In farmland areas poor drainage can lead to a buildup of salt in
    6·1 answer
  • Which information can be determined from the chemical formula C6H12O6?; What is the correct formula for photosynthesis?; How are
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!