The force which pulls together the matter in stars is gravity.
CELL WALL- provides support and protection
CHLOROPLAST- includes the chlorophyll which give leaves a green color.
The answer is D. Always true in all places
Answer:
controlled the fertilization process.
Explanation:
Mendel took precautions to avoid contamination by pollen through self pollination of the P generation. He controlled the fertilization processes between the plants. He self pollinated the first pureline varieties to form the P generation. He then cross pollinated them to get F1 generation. Every step of his experiment was controlled.
They help each other survive in the ocean. The fish help the sea anemone more though.