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forsale [732]
3 years ago
12

What do all ecosystems have ?

Biology
1 answer:
Phoenix [80]3 years ago
5 0
I pretty sure that it include both biotic and abiotic. But "C" is wrong. Now your answers are between "A,B and C"
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What membranes lines the cavities and tubes in the digestive and respiratory system
Gwar [14]
Firstly they are not membranes and they are villi's which increase the surface area during digestion
7 0
3 years ago
How do the small molecules of oxygen and carbon dioxide move through the cell membrane?
iris [78.8K]

Answer:

A.  passive transport by diffusion

Explanation:

Diffusion and osmosis are both types of passive transport. They do not require energy. Diffusion is the general term for the process. Osmosis is the diffusion of water molecules.

Many small, uncharged molecules can cross the cell membrane by diffusion. Oxygen and carbon dioxide are examples of two small molecules that pass the cell membrane by passive transport.

Larger or charged molecules require energy to cross the cell membrane. This is achieved by active transport.

6 0
3 years ago
Mattie found a tool that her dad left in the yard. A picture of the tool is shown below.
oksano4ka [1.4K]

Answer:

b

Explanation:

The answer is B becuase "where do people buy tools is not a scientific question, and neither is C.

5 0
3 years ago
Read 2 more answers
Urgent please help!!!!!
antiseptic1488 [7]
I think the answer is most likely be J.

The first (F) one the population of the predator increases hugely while the population of the prey was neutral. And so both population didn’t seem to have any connection. Same goes for H. Graph G doesn’t make sense at all the population of the prey didn’t exist throughout the time in the graph but only exist in one single point of time and then just vanish again so that shouldn’t be the answer either.
In graph J, you can see the correlation between the two populations as the predator goes up and so does the prey.
You can search up on google predator-prey relationship graph to get better understanding.
6 0
3 years ago
What is "change" when we are talking about natural and physical systems?
MaRussiya [10]

D.  A variable or alteration to one part that affects an entire system

Explanation:

When talking about natural and physical systems, change is a variable or alteration to one part that affects an entire system.

Systems are groups of processes that have the same overall function. There are several types of interacting components that makes up both physical and natural systems in our world.

  • The part of  system is related and interconnected via the changes they undergo.
  • Changes typically causes variation or alteration of parts of a system.

learn more:

Biogeochemical cycle brainly.com/question/3509510

#learnwithBrainly

7 0
3 years ago
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