Answer:
An ecosystem is a community of living organisms with nonliving components of their environment, interacting together as a system
Explanation:
I vivid description of an ecosystem is that species of different kinds make up populations which makes up communities.
Answer:
an example of a producer is an organism that can make its own food ( most of the time though photosynthesis ) so any household plants, grass, flowers, and any vegetation can be considered a producer.
Explanation:
hope this helps!
For the first question, I would say a line graph. And the one about the human heart, I need some more information.
Mitochondria. The “powerhouses” of the cell, mitochondria are oval-shaped organelles found in most eukaryotic cells. As the site of cellular respiration, mitochondria serve to transform molecules such as glucose into an energy molecule known as ATP (adenosine triphosphate).
You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two-week period, the height is measured. i think the indepent variable is sunflower ... variable is height measured and the control variable is the fourth plant.
