You are presented with the question "what lack a centralized nervous system?" and the following answer choices: - Pesticides - neurons - barnacles - alpacas - insects - fish - humans - starfish Now knowing that echinoderms lack a centralized nervous system and starfish and sea urchins are also echinoderms, choose the best answer.
starfish

You are presented with the question "Moles will be protected from what?" and the following answer choices: - a wildfire - colder weather - bacteria - dirt - sun's heat - cold air - mudslides - flooding Now knowing that if an animal lives under ground then that animal will be protected from a wild fire and moles can be found in tunnels under the ground, choose the best answer.
a wildfire

You are presented with the question "what sees a positive impact on root growth due to looseness of soil?" and the following answer choices: - Roundworms - Conifers - humans - h2o - orchids - Earthworms - mussels - teeth Now knowing that the looseness of soil has a positive impact on a plant 's roots' growth in that soil and many orchids are rewarding indoor plants, choose the best answer.
orchids