Answer:
-energy source
-wires
-device that needs electrical energy
Explanation:
just did it on edg2020
They're two types of variables, one being the responding the other being the controlled.
1-The controlled would be the light since the scientist would manipulate how much light the earthworm is given.
2- The responding would be the earthworm activity since it is reacting to the amount of light on it.
Answer:
Mussels are one of the two food sources to octopus
Explanation:
Some forces act at a distance and therefore do not require contact with the object they are acting on.
A great example of this is gravity.
Answer:
Explanation:
1.) Biodiversity is variety in an ecosystem and the living things inside of it. It means all the different species and creatures that live on the planet.
2.) Biodiversity is important because it provides vital ecosystem functions such as soil fertilization, nutrient recycling, pest and disease regulation, erosion control, and crop and tree pollination. Each species ina n ecosystem has a role to play.