Answer:
A community is a group of organisms of different species living together in the same place. An ecosystem is a group of organisms of different species living together in the same place and interacting with the abiotic parts of their environment.
Explanation:
Answer is communuity
B. A sunflower in a sunny meadow
Answer: Interventional Study
Explanation: When a treatment group is compared to standard (control) group it is called Interventional Study
A scientific model is used to make a part of the world easier it could be use to explain something and make it understandable to learn. It is mainly use to provide a reference for other people by showing them a example and a experiment on how the that subject works. The main purpose of scientific models is "to explain something that cannot be experienced directly."
Hope this helps!
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.
