Answer:
mosquitoes
Explanation:
more population means that they will eat more (decrease in mosquito population)
The double membrane. It's theorized that chloroplasts used to be their own single-celled organism in the environment (and therefore with its own membrane). Then, the theory states, a larger cell took in the chloroplast by endocytosis, which involves surrounding the chloroplast in the large cell's own membrane. The chloroplast would then have two membranes surrounding it. This is similar to the thinking for mitochondria becoming an organelle as well. Hope this helps! :)
The build up in the child's ear prevent sound from reaching the eardrum.
Gold's natural state is solid. Gold is a soft, heavy, yellow elemental metal that has a great value. Gold has a fixed shape and volume and its natural state is solid.