Answer:
In this experiment, you changed the number of worms in the soil and measured the effect of this change on the plant growth in the population.
The independent variable was the number of worms, and the dependent variable was the plant growth.
Explanation:
right on edge!
Nucleus - the control center of the cell.
Ribosomes - Produce proteins (protein synthesis)
Nuclear Membrane - controls what enters and leaves the nucleus.
Mitochondria - power house, produces ATP
Golgi bodies - packages proteins
Vacuole - stores water, waste, and food
Cytoplasm - suspends organelles
Endoplasmic reticulum - transport system for materials
Cell membrane - controls what enters and leaves the cell
Centriole - aids in cell division
Nucleolus - makes RNA
Cytoskeleton - helps organelles move from place to place
Microfilament - help cells change shape; structural support
Microtubules - Provide attachment places for organelles and provide tracks for organelles movement
Answer:
15. a solar array is a collection of multiple solar panels that generate electricity .
16. silicon
Explanation: